Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net revenues
Total revenues	$ 4,135	$ 10,622	$ 13,846	$ 16,479
Cost of revenues (excluding amortization of acquired intangible assets)
Research and development	20,351	23,765	67,373	63,666
Selling, general and administrative	14,907	21,644	46,941	58,133
Change in fair value of contingent consideration liability	(33,243)	(48,549)	(73,441)	(17,845)
Amortization of acquired intangible assets	553	553	1,640	1,640
Total operating expenses	9,781	(276)	56,931	110,587
(Loss) income from operations	(5,646)	10,898	(43,085)	(94,108)
Other income (expense):
Interest income	108	55	155	324
Interest expense		(843)		(2,412)
Change in fair value of warrant liabilities	9,333	39,937	31,613	2,258
Change in fair value of debt	(291)		(291)
Other income (expense), net	1,278	(109)	1,366	(2,140)
Total other income (expense)	10,428	39,040	32,843	(1,970)
Income (loss) before income taxes	4,782	49,938	(10,242)	(96,078)
Income tax benefit	(17)
Net income (loss)	4,799	49,938	(10,242)	(96,078)
Change in fair value of debt due to change in credit risk, net of tax	236		236
Other comprehensive income	236		236
Comprehensive income (loss)	$ 5,035	$ 49,938	$ (10,006)	$ (96,078)
Net income (loss) per share - basic	$ 0.03	$ 0.47	$ (0.07)	$ (2.00)
Weighted average shares outstanding - basic	142,676,953	106,369,910	137,787,645	48,071,685
Net income (loss) per share - diluted	$ 0.03	$ 0.40	$ (0.07)	$ (2.00)
Weighted average shares outstanding - diluted	150,546,268	123,582,822	137,787,645	48,071,685
Product Sales and Rentals
Net revenues
Total revenues	$ 1,041	$ 849	$ 2,920	$ 2,734
Cost of revenues (excluding amortization of acquired intangible assets)
Cost of revenues	812	638	1,711	2,025
Services
Net revenues
Total revenues	1,405	1,343	4,061	4,204
Cost of revenues (excluding amortization of acquired intangible assets)
Cost of revenues	899	923	3,112	2,218
License, Royalty and Other
Net revenues
Total revenues	1,689	8,430	6,865	9,541
Cost of revenues (excluding amortization of acquired intangible assets)
Cost of revenues	$ 5,502	$ 750	$ 9,595	$ 750