Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Revenue	$ 15,351,000	$ 19,275,000	$ 29,437,000	$ 37,961,000
Operating expenses:
Cost of revenue (exclusive of depreciation and amortization)	9,964,000	13,842,000	21,074,000	29,828,000
Selling, general and administrative	16,593,000	28,183,000	37,073,000	58,337,000
Impairment of long-lived assets	5,679,000	0	13,480,000	0
Depreciation and amortization	143,000	4,230,000	357,000	7,699,000
Restructuring costs	3,373,000	0	3,602,000	0
Total operating expenses	35,752,000	46,255,000	75,586,000	95,864,000
Loss from operations	(20,401,000)	(26,980,000)	(46,149,000)	(57,903,000)
Other income (expense):
Interest income	813,000	95,000	1,743,000	189,000
Sublease income	33,000	240,000	65,000	479,000
Change in fair value of earn-out liability	0	20,900,000	110,000	96,400,000
Other income (expense), net	(24,000)	(88,000)	25,000	(105,000)
Total other income (expense), net	822,000	21,147,000	1,943,000	96,963,000
(Loss) income before income taxes	(19,579,000)	(5,833,000)	(44,206,000)	39,060,000
Income tax expense (benefit)	0	0	0	(1,000)
Net (loss) income	$ (19,579,000)	$ (5,833,000)	$ (44,206,000)	$ 39,061,000
(Loss) earnings per share:
Basic (in dollars per share)	$ (0.17)	$ (0.05)	$ (0.38)	$ 0.34
Diluted (in dollars per share)	$ (0.17)	$ (0.05)	$ (0.38)	$ 0.31
Weighted average common shares outstanding:
Basic (in shares)	116,919	115,995	116,734	115,693
Diluted (in shares)	116,919	115,995	116,734	126,185
Comprehensive (loss) income
Net (loss) income	$ (19,579,000)	$ (5,833,000)	$ (44,206,000)	$ 39,061,000
Foreign currency translation	9,000	27,000	22,000	27,000
Total comprehensive (loss) income	$ (19,570,000)	$ (5,806,000)	$ (44,184,000)	$ 39,088,000