Condensed Consolidated Statements of Cash Flows(Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net loss	$ (18,449)	$ (25,463)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of property and equipment	114	110
Amortization of platform development and intangible assets	6,399	6,020
Amortization of debt discounts	660	694
Loss on impairment of assets	257
Change in valuation of warrant derivative liabilities		665
Accrued interest		1,866
Liquidated damages	172	255
Stock-based compensation	7,367	5,099
Deferred income taxes	14
Other	183	(509)
Change in operating assets and liabilities:
Accounts receivable	1,594	2,917
Subscription acquisition costs	6,150	(8,349)
Royalty fees	3,750	3,750
Prepayments and other current assets	(224)	(1,630)
Other long-term assets	52	(238)
Accounts payable	(4,912)	1,920
Accrued expenses and other	(7,444)	1,821
Unearned revenue	(8,358)	9,039
Subscription refund liability	(553)	737
Operating lease liabilities	(54)	(215)
Other long-term liabilities	(29)
Net cash used in operating activities	(13,311)	(1,511)
Cash flows from investing activities
Purchases of property and equipment	(71)	(98)
Capitalized platform development	(1,582)	(868)
Net cash used in investing activities	(1,653)	(966)
Cash flows from financing activities
Repayments under line of credit, net of borrowings	(2,697)	(1,752)
Proceeds from public offering of common stock, net of offering costs	32,058
Payment of tax withholdings of common stock withheld	(556)
Payment of restricted stock liabilities	(710)	(280)
Net cash provided by (used for) financing activities	28,095	(2,032)
Net increase (decrease) in cash, cash equivalents, and restricted cash	13,131	(4,509)
Cash, cash equivalents, and restricted cash – beginning of period	9,851	9,535
Cash, cash equivalents, and restricted cash – end of period	22,982	5,026
Cash, cash equivalents, and restricted cash
Cash and cash equivalents	22,480	4,525
Restricted cash	502	501
Total cash, cash equivalents, and restricted cash	22,982	5,026
Supplemental disclosure of cash flow information
Cash paid for interest	2,160	260
Cash paid for income taxes
Noncash investing and financing activities
Reclassification of stock-based compensation to platform development	687	309
Offering costs included in accrued expenses and other	1,568
Issuance of common stock in connection with settlement of liquidated damages	7,008
Issuance of common stock upon conversion of series H preferred stock	$ 511