Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenues	$ 6,531	$ 9,193	$ 47,282	$ 18,528
Operating expenses:
Direct costs and expenses	2,722	3,891	28,025	7,346
Research and development	3,293	2,706	9,937	7,713
Sales, marketing, general and administrative	13,607	7,879	36,959	22,793
Change in fair value of contingent consideration		957	1,622	957
Total operating expenses	19,622	15,433	76,543	38,809
Loss from operations	(13,091)	(6,240)	(29,261)	(20,281)
Other income (expense):
Interest expense	(1,546)	(2,658)	(3,012)	(6,899)
Change in fair value of warrant liability		(24)		31
Gain on debt extinguishment, net	3,123		2,395
Other income, net		77	1	332
Total other expense	1,577	(2,605)	(616)	(6,536)
Net loss	$ (11,514)	$ (8,845)	$ (29,877)	$ (26,817)
Net loss per share, basic and diluted	$ (0.41)	$ (31.93)	$ (1.09)	$ (99.69)
Weighted-average shares outstanding, basic and diluted	28,051	277	27,467	269