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to Vest, Outstanding, Aggregate Intrinsic Value Current Fiscal Year End Date Current Fiscal Year End Date Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Long-lived assets Long-Lived Assets Other current assets Other Assets, Current Proceeds from employee stock purchase plan Proceeds from Stock Plans Statement [Table] Statement [Table] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Increase in authorized share amount (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Increase in Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Increase in Number of Shares Available for Grant Recently Issued Accounting Pronouncements Not Yet Adopted and Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Unrecognized expense Total unrecognized stock-based compensation expense Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Total assets, estimated fair value Debt Securities, Fair Value Debt Securities, Fair Value Customer One Customer One [Member] Customer One Capitalized internal-use software costs Payments for Software Cost of revenues Cost of Sales [Member] Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Operating lease costs (in thousands) Operating Lease, Cost Desktop and other computer equipment Computer Equipment [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Unamortized debt discount Debt Instrument, Unamortized Discount Deferred contract acquisition costs, current Capitalized Contract Cost, Net, Current Convertible Notes - Related Party Debt Long-term Debt [Text Block] Weighted average remaining contractual term, 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