Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Contract termination costs
Contract Termination [Member]
Severance and other associated costs
Employee Severance [Member]
Wind down costs of legacy platform
Wind Down Costs [Member]
Wind Down Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Restructuring charges
Restructuring Charges
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
CURRENT ASSETS:
Assets, Current [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Cash held as collateral
Restricted Cash and Cash Equivalents
Accounts receivable, net of allowance for doubtful accounts of $2,276 and $1,318, in 2018 and 2017, respectively
Accounts Receivable, Net, Current
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Total current assets
Assets, Current
Property and equipment, net
Property, Plant and Equipment, Net
Intangibles, net
Intangible Assets, Net (Excluding Goodwill)
Goodwill
Goodwill
Deferred tax assets, net
Deferred Income Tax Assets, Net
Other assets
Other Assets, Noncurrent
Total assets
Assets
LIABILITIES AND STOCKHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
CURRENT LIABILITIES:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued expenses and other current liabilities
Accrued Liabilities, Current
Deferred revenue
Contract with Customer, Liability, Current
Total current liabilities
Liabilities, Current
Deferred revenue
Contract with Customer, Liability, Noncurrent
Other liabilities
Other Liabilities, Noncurrent
Deferred tax liability
Deferred Income Tax Liabilities, Net
Total liabilities
Liabilities
Commitments and contingencies (See Note 9)
Commitments and Contingencies
STOCKHOLDERS' EQUITY:
Stockholders' Equity Attributable to Parent [Abstract]
Common stock
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital
Treasury stock
Treasury Stock, Value
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total stockholders’ equity
Stockholders' Equity Attributable to Parent
Total liabilities and stockholders’ equity
Liabilities and Equity
Accounting Policies [Abstract]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Billing Status, Type [Axis]
Billing Status, Type [Axis]
Receivables Billing Status [Domain]
Receivables Billing Status [Domain]
Accounts Receivable
Billed Revenues [Member]
Unbilled Receivable
Unbilled Revenues [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Contract Balances [Roll Forward]
Contract Balances [Roll Forward]
Contract Balances [Roll Forward]
Opening balance, Receivable
Increase (decrease) in accounts receivable, net
Increase (Decrease) In Billed Receivables
Increase (Decrease) In Billed Receivables
Increase (decrease) in unbilled receivable, net
Increase (Decrease) in Unbilled Receivables
Closing balance, Receivable
Opening balance, Prepaid Commissions
Capitalized Contract Cost, Net
Increase (decrease) in prepaid commissions
Increase (Decrease) In Capitalized Contract Cost
Increase (Decrease) In Capitalized Contract Costs
Closing balance, Prepaid Commissions
Opening balance, Deferred Revenue (current)
Increase (decrease) in current deferred revenue (current)
Increase (Decrease) in Deferred Revenue, Current
Increase (Decrease) in Deferred Revenue, Current
Closing balance, Deferred Revenue (current)
Ending balance, Deferred revenue (long-term)
Increase (decrease) in long-term deferred revenue, net
Increase (Decrease) in Deferred Revenue, Noncurrent
Increase (Decrease) in Deferred Revenue, Noncurrent
Closing balance, Deferred revenue (long-term)
Description of Business and Summary of Significant Accounting Policies
Business Description and Accounting Policies [Text Block]
Earnings Per Share [Abstract]
Net Loss per Share
Earnings Per Share [Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]
Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Technology
Technology [Member]
Technology [Member]
Customer relationships
Customer Contracts [Member]
Trade names
Trade Names [Member]
Non-compete agreements
Noncompete Agreements [Member]
Patents
Patents [Member]
Other
Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount
Finite-lived Intangible Assets Acquired
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Net Carrying Amount
Finite-Lived Intangible Assets, Net
Weighted Average Amortization Period
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life
Fair Value Disclosures [Abstract]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Loss Contingency, Information about Litigation Matters [Abstract]
Legal Matters
Legal Matters and Contingencies [Text Block]
Income Statement [Abstract]
Statement [Table]
Statement [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Cost Of Revenue [Member]
Cost of Sales [Member]
Sales and Marketing [Member]
Selling and Marketing Expense [Member]
General and Administrative [Member]
General and Administrative Expense [Member]
Product Development [Member]
Research and Development Expense [Member]
Statement [Line Items]
Statement [Line Items]
Revenue
Revenues
Costs and expenses:
Costs and Expenses [Abstract]
Cost of revenue
Cost of Revenue
Sales and marketing
Selling and Marketing Expense
General and administrative
General and Administrative Expense
Product development
Research and Development Expense
Restructuring costs
Amortization of purchased intangibles
Amortization of Intangible Assets
Total costs and expenses
Costs and Expenses
Loss from operations
Operating Income (Loss)
Other (expense) income, net
Nonoperating Income (Expense)
Loss before provision for income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Provision for income taxes
Income Tax Expense (Benefit)
Net loss
Net Income (Loss) Attributable to Parent
Net loss per share of common stock:
Basic (in dollars per share)
Earnings Per Share, Basic
Diluted (in dollars per share)
Earnings Per Share, Diluted
Weighted-average shares used to compute net loss income per share:
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]
Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Additional Information on Operating Expenses:
Operating Expenses [Abstract]
Stock compensation expense
Share-based Compensation
Depreciation expense
Depreciation, Nonproduction
Amortization of purchased intangibles
Cost of Goods and Services Sold, Amortization
Restructuring Costs
Restructuring and Related Activities Disclosure [Text Block]
Segment Reporting [Abstract]
Segment Information
Segment Reporting Disclosure [Text Block]
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
AdvantageTec
AdvantageTec Inc [Member]
AdvantageTec Inc [Member]
Conversable
Conversable Inc [Member]
Conversable Inc [Member]
BotCentral
BotCentral [Member]
BotCentral [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Aggregate purchase price
Business Combination, Consideration Transferred
Cash payment in acquisition
Payments to Acquire Businesses, Gross
Equity consideration in acquisition
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Potential earn-out consideration payments based on achieving targets
Potential Earn-Out Contingent Consideration Payments, Target Based
Potential Earn-Out Contingent Consideration Payments, Target Based
Goodwill acquired in acquisition
Goodwill, Acquired During Period
Intangible assets acquired
Acquisition costs incurred
Business Combination, Acquisition Related Costs
Deferred tax liability for intangible assets
Deferred Tax Liabilities, Intangible Assets
Assets acquired liabilities assumed, net liability
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Business acquisition transaction costs
Business Acquisition, Transaction Costs
Summary Of Financial Information By Segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Long-Lived Assets By Geographic Region
Long-lived Assets by Geographic Areas [Table Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
United States
UNITED STATES
Israel
ISRAEL
Australia
AUSTRALIA
Netherlands
NETHERLANDS
Other
United Kingdom, Germany, Japan, France, Italy [Member]
United Kingdom, Germany, Japan, France, Italy [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Total long-lived assets
Assets, Noncurrent
Goodwill and Intangible Assets
Goodwill and Intangible Assets Disclosure [Text Block]
Property, Plant and Equipment [Abstract]
Schedule of Property And Equipment
Property, Plant and Equipment [Table Text Block]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Liability Class [Axis]
Liability Class [Axis]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Contingent earn-out
Contingent Earn-Out [Member]
Contingent Earn-Out [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Beginning of year
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value
Additions
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases
Cash payment
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
Balance, End of year
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Schedule of Changes in Fair Value of Level 3 Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Schedule of Derivative Instruments
Schedule of Derivative Instruments [Table Text Block]
Schedule of Derivative Assets at Fair Value
Schedule of Derivative Assets at Fair Value [Table Text Block]
Schedule of Derivative Liabilities at Fair Value
Schedule of Derivative Liabilities at Fair Value [Table Text Block]
Schedule of Gains (Losses) on Derivative Instruments Recognized in the Income Statement
Derivative Instruments, Gain (Loss) [Table Text Block]
Income Tax Disclosure [Abstract]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits balance at January 1
Unrecognized Tax Benefits
Gross increase for tax positions of prior years
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Gross increase for tax positions of current years
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Decrease due to expiration of statue
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
Decrease due to settlement
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
Gross unrecognized tax benefits at December 31
Synchronite, LLC
Synchronite, LLC [Member]
Synchronite, LLC [Member]
Payments on contingent earnout
Business Combination, Contingent Consideration, Payment Of A Portion Of Potential Earn-Out Consideration Amount
Business Combination, Contingent Consideration, Payment Of A Portion Of Potential Earn-Out Consideration Amount
Additions to contingent earn-out
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Products and Services [Axis]
Products and Services [Axis]
Products and Services [Domain]
Products and Services [Domain]
Hosted Services - Business
Hosted Services - Business [Member]
Hosted Services - Business [Member]
Hosted Services - Consumer
Hosted Services - Consumer [Member]
Hosted Services - Consumer [Member]
Professional Services
Professional Services [Member]
Professional Services [Member]
Business Segments [Axis]
Segments [Axis]
Segment [Domain]
Segments [Domain]
Business
Consumer Business [Member]
Consumer Business [Member]
Consumer
Consumer [Member]
Consumer [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Operating Segments
Operating Segments [Member]
Corporate
Corporate, Non-Segment [Member]
Total revenue
Unallocated corporate expenses
Segment Reporting Unallocated Corporate Expenses
Segment Reporting Unallocated Corporate Expenses
Amortization expense
Amortization
Estimated future amortization expense
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2019
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2021
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2022
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2023
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Total
Summary of Operations
Summary Of Operations [Policy Text Block]
The accounting policy related to summary of operations.
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Reclassification
Reclassification, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Concentration of Credit Risk
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Foreign Currency Translation
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Accounts Receivable
Trade and Other Accounts Receivable, Policy [Policy Text Block]
Property and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Internal-Use Software Development Costs
Internal Use Software, Policy [Policy Text Block]
Goodwill and Intangible Assets
Goodwill and Intangible Assets, Policy [Policy Text Block]
Impairment of Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Advertising Costs
Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block]
Stock-based Compensation
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Deferred Rent
Deferred Charges, Policy [Policy Text Block]
Income Taxes
Income Tax, Policy [Policy Text Block]
Comprehensive Loss
Comprehensive Income, Policy [Policy Text Block]
Recently Issued Accounting Standards
New Accounting Pronouncements, Policy [Policy Text Block]
Restructuring Reserve [Roll Forward]
Restructuring Reserve [Roll Forward]
Balance, Beginning of the year
Restructuring Reserve
Severance and other associated costs
Severance Costs
Cash payments
Payments for Restructuring
Wind down costs of legacy platform
Wind Down Costs of Legacy Platform
Wind Down Costs of Legacy Platform
Balance, End of year
Schedule of Changes in Goodwill
Schedule of Goodwill [Table Text Block]
Summary of Intangible Assets
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]
Schedule of Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Total deferred revenue - short term
Total deferred revenue - long term
Statement of Cash Flows [Abstract]
Noncash or Part Noncash Acquisitions by Unique Description [Axis]
Noncash or Part Noncash Acquisitions by Unique Description [Axis]
Noncash or Part Noncash Acquisition, Name [Domain]
Noncash or Part Noncash Acquisition, Name [Domain]
OPERATING ACTIVITIES:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net loss
Adjustments to reconcile net loss to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Stock-based compensation expense
Depreciation
Depreciation
Impairment on investments
Impairment of Long-Lived Assets to be Disposed of
Amortization of tenant allowance
Tenant Allowance, Amortization, Lessee
Amortization of lessee lease liability over time which offsets lease expense.
Amortization of purchased intangibles
Provision for doubtful accounts, net
Provision for Doubtful Accounts
Deferred income taxes
Increase (Decrease) in Deferred Income Taxes
Changes in operating assets and liabilities, net of acquisitions:
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Prepaid expenses and other current assets
Increase Decrease In Prepaid Expense And Other Current Assets
Increase (Decrease) In Prepaid Expense And Other Current Assets
Other assets
Increase (Decrease) in Other Operating Assets
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued expenses and other current liabilities
Increase (Decrease) in Accrued Liabilities
Deferred revenue
Increase (Decrease) in Deferred Revenue
Other liabilities
Increase (Decrease) in Other Operating Liabilities
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
INVESTING ACTIVITIES:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchases of property and equipment, including capitalized software
Payments to Acquire Productive Assets
Payments for acquisitions and intangible assets, net of cash acquired
Payments to acquire other intangible assets
Payments to acquire other intangible assets.
Cash held as collateral
Increase (Decrease) in Restricted Cash
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
FINANCING ACTIVITIES:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repurchase of common stock
Payments for Repurchase of Common Stock
Proceeds from issuance of common stock in connection with the exercise of options
Proceeds from Issuance of Common Stock
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities
EFFECT OF FOREIGN EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS
Effect of Exchange Rate on Cash and Cash Equivalents
CHANGE IN CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents, Period Increase (Decrease)
CASH AND CASH EQUIVALENTS - Beginning of the year
CASH AND CASH EQUIVALENTS - End of the year
SUPPLEMENTAL DISCLOSURE OF OTHER CASH FLOW INFORMATION:
Supplemental Cash Flow Information [Abstract]
Cash paid for income taxes
Income Taxes Paid, Net
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Purchase of property and equipment recorded in accounts payable
Capital Expenditures Incurred but Not yet Paid
Leasehold improvements funded by landlord
Capital Expenditures Paid By Landlord
Capital Expenditures Paid By Landlord
Issuance of shares of common stock in connection with acquisition
Other Significant Noncash Transaction, Value of Consideration Given
Issuance of shares of common stock in connection with acquisition (in shares)
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued
Fair value of contingent earn-out in connection with the acquisition recorded in accrued expenses
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration
Deferred tax assets:
Components of Deferred Tax Assets [Abstract]
Net operating loss carryforwards
Deferred Tax Assets, Operating Loss Carryforwards
Accounts payable and accrued expenses
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Non-cash compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Intangibles amortization
Deferred Tax Assets, Goodwill and Intangible Assets
Allowance for doubtful accounts
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts
Total deferred tax assets
Deferred Tax Assets, Gross
Less valuation allowance
Deferred Tax Assets, Valuation Allowance
Deferred tax assets, net of valuation allowance
Deferred Tax Assets, Net of Valuation Allowance
Deferred tax liabilities:
Components of Deferred Tax Liabilities [Abstract]
Property and equipment
Deferred Tax Liabilities, Property, Plant and Equipment
Goodwill amortization and contingent earn-out adjustments
Deferred Tax Liabilities, Contingent Earn-Out Adjustments
Deferred Tax Liabilities, Contingent Earn-Out Adjustments
Total deferred tax liabilities
Deferred Tax Liabilities, Gross
Net deferred (liabilities)
Deferred Tax Liabilities, Net
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Recurring
Fair Value, Measurements, Recurring [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Level 1
Fair Value, Inputs, Level 1 [Member]
Level 2
Fair Value, Inputs, Level 2 [Member]
Level 3
Fair Value, Inputs, Level 3 [Member]
Financial Instrument [Axis]
Financial Instrument [Axis]
Financial Instruments [Domain]
Financial Instruments [Domain]
Money market funds
Money Market Funds [Member]
Foreign currency derivative contracts
Foreign Exchange Forward [Member]
Assets:
Assets, Fair Value Disclosure [Abstract]
Money market funds
Cash and Cash Equivalents, Fair Value Disclosure
Foreign currency derivative contracts
Derivative Asset
Total assets
Assets, Fair Value Disclosure
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Contingent earn-out
Business Combination, Contingent Consideration, Liability, Current
Foreign currency derivative contracts
Derivative Liability
Total liabilities
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Income Taxes
Income Tax Disclosure [Text Block]
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Comprehensive loss
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Other Americas
Other Americas [Member]
Other Americas [Member]
Total Americas
Americas [Member]
EMEA
EMEA [Member]
APAC
POSIT - ASIA PACIFIC [Member]
United Kingdom
UNITED KINGDOM
Statement of Stockholders' Equity [Abstract]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock
Common Stock [Member]
Treasury Stock
Treasury Stock [Member]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Accumulated Deficit
Retained Earnings [Member]
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)
Shares, Outstanding
Beginning Balance
Common stock issued upon exercise of stock options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Common stock issued upon exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Common stock issued upon vesting of restricted stock units (in shares)
Stock Issued During Period, Shares, New Issues
Common stock issued upon vesting of restricted stock units
Stock Issued During Period, Value, New Issues
Stock-based compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Common stock issued under Employee Stock Purchase Plan (in shares)
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Common stock issued under Employee Stock Purchase Plan
Stock Issued During Period, Value, Employee Stock Purchase Plan
Common stock repurchase (in shares)
Stock Repurchased During Period, Shares
Common stock repurchase
Stock Repurchased During Period, Value
ASC 606 prior period adjustment
Cumulative Effect on Retained Earnings, Net of Tax
Issuance of common stock in connection with acquisitions (in shares)
Stock Issued During Period, Shares, Acquisitions
Issuance of common stock in connection with acquisitions
Stock Issued During Period, Value, Acquisitions
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Ending Balance (in shares)
Ending Balance
Schedule of Domestic and Foreign Components of Income Before Provision for Income Taxes
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of Provision For Income Taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Reconciliation of Federal Statutory Tax Rate to Effective Income Tax Rate
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of Federal Deferred Tax Assets and Deferred Tax Liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Unrecognized Tax Benefits Roll Forward
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Federal statutory rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
State taxes, net of federal benefit
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Non-deductible expenses – ISO
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent
Global intangible low tax income inclusion
Effective Income Tax Rate Reconciliation, Global Intangible Low Tax Income Inclusion
Effective Income Tax Rate Reconciliation, Global Intangible Low Tax Income Inclusion
Non-deductible expenses – Other
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent
Foreign tax rate differential
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Change in valuation allowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Stock based compensation
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent
Return to provision true-up adjustment
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent
Effect of new tax legislation
Effective Income Tax Rate Reconciliation, Tax Cuts And Jobs Act Of 2017, Percent
Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) in income tax rate and transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017.
Other
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Total provision for income taxes
Effective Income Tax Rate Reconciliation, Percent
Current income taxes:
Current Federal, State and Local, Tax Expense (Benefit) [Abstract]
Current income taxes, U.S. Federal
Current Federal Tax Expense (Benefit)
Current income taxes, State and local
Current State and Local Tax Expense (Benefit)
Current income taxes, Foreign
Current Foreign Tax Expense (Benefit)
Total current income taxes
Current Income Tax Expense (Benefit)
Deferred income taxes:
Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract]
Deferred income taxes, U.S. Federal
Deferred Federal Income Tax Expense (Benefit)
Deferred income taxes, State and local
Deferred State and Local Income Tax Expense (Benefit)
Deferred income taxes, Foreign
Deferred Foreign Income Tax Expense (Benefit)
Total deferred income taxes
Deferred Income Tax Expense (Benefit)
Total income taxes
Equity [Abstract]
Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Exercised (in shares)
Cancelled or expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Options outstanding, ending balance (in shares)
Options vested and expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Options exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Options outstanding, beginning balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Granted (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Exercised (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Cancelled (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Options outstanding, ending balance (in dollars per share)
Options vested and expected to vest (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Options exercisable (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Weighted Average Remaining Contractual Term (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Options vested and expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Options exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]
Options outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Options vested and expected to vest
Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Aggregate Intrinsic Value
Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Aggregate Intrinsic Value
Options exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
Incentive Stock Option
Incentive Stock Option [Member]
Incentive Stock Option [Member]
Restricted Stock Units (RSUs)
Restricted Stock Units (RSUs) [Member]
Plan Name [Axis]
Plan Name [Axis]
Plan Name [Domain]
Plan Name [Domain]
1998 Plan
Nineteen Ninety Eight Plan [Member]
Nineteen Ninety Eight Plan [Member]
2000 Plan
Two Thousand Plan [Member]
Two Thousand Plan [Member]
2009 Plan
Two Thousand Nine Plan [Member]
Two Thousand Nine Plan [Member]
Amended 2009 Plan
Amended2009 Plan [Member]
Amended 2009 Plan [Member]
2010 Employee Stock Purchase Plan
Two Thousand Ten Employee Stock Purchase Plan [Member]
Two Thousand Ten Employee Stock Purchase Plan [Member]
Amended and Restated 2010 Employee Stock Purchase Plan
Amended And Restated 2010 Employee Stock Purchase Plan [Member]
Amended And Restated 2010 Employee Stock Purchase Plan [Member]
2018 Plan
2018 Plan [Member]
2018 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Weighted average fair value of stock options granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Expected life (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Volatility determination period (in years)
Share-based Compensation Arrangement By Share-based Payment Award, Fair Value Assumptions, Period Used To Determine Volatility
Share-based Compensation Arrangement By Share-based Payment Award, Fair Value Assumptions, Period Used To Determine Volatility
Shares of common stock authorized and reserved for issuance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Increase in number of shares of common stock available for issuance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized
Shares of common stock available for issuance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Common shares reserved for future issuance (in shares)
Common Stock, Capital Shares Reserved for Future Issuance
Stock option term
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Fair value of stock options exercised
Proceeds from Stock Options Exercised
Unrecognized compensation cost
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Unrecognized compensation cost
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options
Weighted average recognition period of unrecognized compensation cost
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Shares excluded from computation of earnings per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Weighted Average Number of Shares Outstanding
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Effect of assumed exercised options (in shares)
Weighted Average Number Diluted Shares Outstanding Adjustment
Diluted (in shares)
Payables and Accruals [Abstract]
Payroll and other employee related costs
Employee-related Liabilities, Current
Professional services, consulting and other vendor fees
Accrued Professional Fees, Current
Unrecognized tax benefits
Taxes Payable, Current
Sales commissions
Accrued Sales Commission, Current
Contingent earn-out (Note 8)
Contingent Earnout Liability
Contingent earnout liability.
Restructuring Reserve
Other
Other Accrued Liabilities, Current
Total
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]
Exercise Price Range [Axis]
Exercise Price Range [Axis]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]
$1.79 - $7.60
Exercise Price Range One [Member]
Exercise Price Range One [Member]
$7.95 - $9.55
Exercise Price Range Two [Member]
Exercise Price Range Two [Member]
$9.90 - $10.13
Exercise Price Range Three [Member]
Exercise Price Range Three [Member]
$10.31 - $11.96
Exercise Price Range Four [Member]
Exercise Price Range Four [Member]
$12.09 - $12.32
Exercise Price Range Five [Member]
Exercise Price Range Five [Member]
$12.45 - $12.45
Exercise Price Range Six [Member]
Exercise Price Range Six [Member]
$12.46 - $13.59
Exercise Price Range Seven [Member]
Exercise Price Range Seven [Member]
$14.30 - $15.96
Exercise Price Range Eight [Member]
Exercise Price Range Eight [Member]
$16.05 - $21.75
Exercise Price Range Nine [Member]
Exercise Price Range Nine [Member]
$22.04 - $23.50
Exercise Price Range Ten [Member]
Exercise Price Range Ten [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, minimum (in dollars per share)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit
Exercise price range, maximum (in dollars per share)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit
Options Outstanding, Number of Shares Outstanding
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options
Options Outstanding, Weighted-Average Remaining Contractual Life (Years)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term
Options Outstanding, Weighted-Average Exercise Price (in dollars per share)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price
Options Exercisable, Number of Shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options
Options Exercisable, Weighted-Average Exercise Price (in dollars per share)
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price
Income Tax Contingency [Table]
Income Tax Contingency [Table]
Germany [Member]
GERMANY
Japan [Member]
JAPAN
Income Tax Contingency [Line Items]
Income Tax Contingency [Line Items]
United States
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Foreign
Income (Loss) from Continuing Operations before Income Taxes, Foreign
(Loss) income before provision for (benefit from) income taxes
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance outstanding, beginning (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Awarded (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Released (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Forfeited (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Non-vested and outstanding, ending (shares)
Expected to vest (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected To Vest, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected To Vest, Number
Weighted Average Grant Date Fair Value (Per Share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Balance outstanding, beginning (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Awarded (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Released (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Non-vested and outstanding, ending (in dollars per share)
Expected to vest (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected To Vest, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected To Vest, Weighted Average Grant Date Fair Value
Aggregate Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Fair Value [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Fair Value [Abstract]
Non-vested and outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Fair Value, Nonvested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Fair Value, Nonvested
Expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Fair Value, Expected To Vest
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Fair Value, Expected To Vest
Future Minimum Lease Payments
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2020
Operating Leases, Future Minimum Payments, Due in Two Years
2021
Operating Leases, Future Minimum Payments, Due in Three Years
2022
Operating Leases, Future Minimum Payments, Due in Four Years
2023
Operating Leases, Future Minimum Payments, Due in Five Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Total minimum lease payments
Operating Leases, Future Minimum Payments Due
Future Minimum Lease Payments Under Non-Cancelable Operating Leases
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]
Accounts receivable, allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable, Current
Stockholders' Equity
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share
Schedule of Weighted Average Number of Shares [Table Text Block]
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Federal
Domestic Tax Authority [Member]
Foreign
Foreign Tax Authority [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Income Tax Authority, Name [Domain]
Australian Taxation Office
Australian Taxation Office [Member]
Israel Tax Authority
Israel Tax Authority [Member]
Proficient [Member]
Proficient [Member]
Proficient [Member]
Net Operating Loss Expiration Periods [Axis]
Net Operating Loss Expiration Periods [Axis]
Net Operating Loss Expiration Periods [Axis]
Net Operating Loss Expiration Periods [Domain]
Net Operating Loss Expiration Periods [Domain]
[Domain] for Net Operating Loss Expiration Periods [Axis]
Expiration between 2023 and 2026
NOL Expiration Period, Tranche One [Member]
NOL Expiration Period, Tranche One [Member]
Expiration between 2036 and 2037
NOL Expiration Period, Tranche Two [Member]
NOL Expiration Period, Tranche Two [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Valuation recorded
Valuation Allowances and Reserves, Period Increase (Decrease)
Operating loss carryforwards
Operating Loss Carryforwards
Operating loss carryforwards generated in taxable years ending on or before December 31 2017
Operating Loss Carryforwards, Generated In Taxable Years Ending On Or Before December 31 2017
Operating Loss Carryforwards, Generated In Taxable Years Ending On Or Before December 31 2017
Net operating loss carryforwards, not subject to expiration
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration
Net operating loss carryforwards, subject to expiration
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration
Unrecognized tax benefits
Decrease in unrecognized tax benefits that is reasonably possible
Decrease in Unrecognized Tax Benefits is Reasonably Possible
Settlements of audit
Operating loss carryforwards, period of carryforward (in years)
Operating Loss Carryforwards, Carryforward Period
Operating Loss Carryforwards, Carryforward Period
Decrease in federal deferred tax provision upon remeasurement of net deferred taxes at newly enacted rate, provisional estimate
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Provisional Income Tax Expense (Benefit)
Amount of reasonable estimate for income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete.
Federal deferred tax benefit upon remeasurement of valuation allowance at newly enacted rate, provisional estimate
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate On Valuation Allowance, Provisional Income Tax Expense (Benefit)
Amount of reasonable estimate for income tax expense (benefit) for remeasurement of valuation allowance from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete.
Federal deferred tax benefit for indefinite lived deferred tax liabilities, provisional estimate
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Provisional Income Tax Benefit
Amount of reasonable estimate for income tax benefit for remeasurement of deferred tax liability from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete.
Percentage of indefinite-lived deferred tax liabilities (percent)
Deferred Tax Liabilities, Indefinite Lived, Percent Utilized
Deferred Tax Liabilities, Indefinite Lived, Percent Utilized
State deferred tax provision
Schedule of Restructuring and Related Costs
Restructuring and Related Costs [Table Text Block]
Accrued Liabilities and Other Current Liabilities
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Schedule of Accrued Liabilities
Schedule of Accrued Liabilities [Table Text Block]
Derivative [Table]
Derivative [Table]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Derivatives not designated as hedging instruments
Not Designated as Hedging Instrument [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Prepaid expenses and other current assets
Prepaid Expenses and Other Current Assets [Member]
Accrued expenses and other liabilities
Accrued Liabilities [Member]
Other (Expense) Income, net
Other Nonoperating Income (Expense) [Member]
Derivative [Line Items]
Derivative [Line Items]
Notional amount of foreign currency derivative contracts
Derivative, Notional Amount
Fair value of foreign currency derivatives contracts
Derivative, Fair Value, Net
Gain (losses) on Derivative Instruments Recognized in Income Statement
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net
Derivative Asset [Abstract]
Derivative Asset [Abstract]
Derivative Liability [Abstract]
Derivative Liability [Abstract]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Forecast
Scenario, Forecast [Member]
Restructuring liability
Document - Document And Entity Information [Abstract]
Document - Document and Entity Information [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Trading Symbol
Trading Symbol
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Public Float
Entity Public Float
Schedule of Activity in the Allowance for Doubtful Accounts
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Number of operating segments
Number of Operating Segments
Acquisitions
Business Combination Disclosure [Text Block]
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Business [Member]
Business [Member]
Business [Member].
Goodwill [Line Items]
Goodwill [Line Items]
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Beginning Balance
Acquisitions
Foreign exchange adjustments
Goodwill, Foreign Currency Translation Gain (Loss)
Ending Balance
Accumulated goodwill impairment charges
Goodwill, Impaired, Accumulated Impairment Loss
Impairment recognized
Goodwill, Impairment Loss
Internal-use software development costs not yet subject to amortization
Internal Use Software Development Costs, Balance Not Subject To Amortization
Internal Use Software Development Costs, Balance Not Subject To Amortization
Depreciation expense
Property and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Weighted Average Assumptions of Fair Value Options Using Black-Scholes Option-Pricing Model
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Stock Option Activity and Weighted Average Exercise Prices
Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Organization Consolidation And Summary Of Significant Accounting Policies [Table]
Organization Consolidation And Summary Of Significant Accounting Policies [Table]
Organization Consolidation And Summary Of Significant Accounting Policies [Table]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Major customer
Customer One [Member]
Customer One [Member]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Computer equipment and software
Computer Equipment And Software [Member]
Computer Equipment And Software [Member]
Software and software development costs
Software and Software Development Costs [Member]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
ASU No. 2014-09
Accounting Standards Update 2014-09 [Member]
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Accounts receivable
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance
Allowance for Doubtful Accounts Receivable
Additions Charged to Costs and Expenses
Allowance for Doubtful Accounts Receivable, Period Increase (Decrease)
Deductions / Write-Offs
Allowance for Doubtful Accounts Receivable, Write-offs
Ending Balance
Property and equipment, useful life
Property, Plant and Equipment, Useful Life
Capitalized computer software
Capitalized Computer Software, Gross
Advertising costs
Advertising Expense
Requisite service period
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period
Cumulative effect on retained earnings upon adoption of new accounting standard
Cumulative Effect of New Accounting Principle in Period of Adoption
Prepaid commissions
Risk-free interest rate, minimum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Risk-free interest rate, maximum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Historical volatility, minimum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
Historical volatility, maximum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
Rental expense for operating leases
Operating Leases, Rent Expense
Defined contribution plan employer matching contribution on first five percent of employee compensation
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
Percentage of employees' eligible compensation for employer matching contribution
Percentage Of Eligible Employee Compensation
Percentage Of Eligible Employee Compensation
Defined contribution plan employer contribution limit
Defined Contribution Plan, Employer Discretionary Contribution Amount
Defined contribution plan employer contribution vesting period
Defined Benefit Plan Employers Contribution Of Vesting Period
Defined Benefit Plan Employers Contribution of Vesting Period
Defined benefit plan employer contribution
Defined Benefit Plan, Plan Assets, Contributions by Employer
Loss Contingencies [Table]
Loss Contingencies [Table]
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
LOC for Office Space
Letter Of Credit For Office Space [Member]
Letter Of Credit For Office Space [Member]
LOC for Security Deposit
Letter Of Credit For Security Deposit [Member]
Letter Of Credit For Security Deposit [Member]
Other Contingencies [Line Items]
Loss Contingencies [Line Items]
Letters of credit outstanding
Letters of Credit Outstanding, Amount
Schedule of Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Furniture, equipment and building improvements
Furniture Equipment And Building Improvements [Member]
Furniture, Equipment and Building Improvements [Member]
Internal-use software development costs
Software Development [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property and Equipment, Net
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment gross
Property, Plant and Equipment, Gross
Less: accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Total