Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net revenues
Total revenues	$ 2,938	$ 3,776	$ 6,873	$ 9,711
Cost of revenues (excluding amortization of acquired intangible assets)
Research and development	8,604	25,349	25,555	47,022
Software cease-use costs	243		23,918
Selling, general and administrative	12,826	15,574	26,760	32,034
Change in fair value of contingent consideration liability	(85,407)	(45,047)	(104,339)	(40,198)
Goodwill impairment	0	0	29,633	0
IPR&D impairment	107,800	0	107,800	0
Amortization of acquired intangible assets	546	546	1,087	1,087
Total operating expenses	45,414	(399)	113,219	47,150
(Loss) income from operations	(42,476)	4,175	(106,346)	(37,439)
Other income (expense):
Interest income	66	41	182	47
Interest expense	(1,104)	0	(1,381)	0
Change in fair value of warrant liabilities	(134)	43,212	1,601	22,280
Change in fair value of debt	(1,077)	0	(2,357)	0
Other income (expense), net	(3,224)	415	(3,665)	88
Total other income (expense)	(5,473)	43,668	(5,620)	22,415
(Loss) income before income taxes	(47,949)	47,843	(111,966)	(15,024)
Income tax expense	0	17	0	17
Net (loss) income	(47,949)	47,826	(111,966)	(15,041)
Change in fair value of debt due to change in credit risk, net of tax	(269)	0	2,389	0
Other comprehensive (loss) income	(269)	0	2,389	0
Comprehensive (loss) income	$ (48,218)	$ 47,826	$ (109,577)	$ (15,041)
Net (loss) income per share - basic	$ (0.27)	$ 0.34	$ (0.67)	$ (0.11)
Weighted average shares outstanding - basic	176,563,980	140,152,245	166,023,075	135,302,472
Net (loss) income per share - diluted	$ (0.27)	$ 0.32	$ (0.67)	$ (0.11)
Weighted average shares outstanding - diluted	176,563,980	151,311,780	166,023,075	135,302,472
Product Sales and Rentals
Net revenues
Total revenues	$ 906	$ 1,228	$ 1,949	$ 1,879
Cost of revenues (excluding amortization of acquired intangible assets)
Cost of revenues	207	425	929	899
Services
Net revenues
Total revenues	1,278	1,373	2,635	2,656
Cost of revenues (excluding amortization of acquired intangible assets)
Cost of revenues	485	1,265	957	2,213
Licenses, Royalties and Other
Net revenues
Total revenues	754	1,175	2,289	5,176
Cost of revenues (excluding amortization of acquired intangible assets)
Cost of revenues	$ 110	$ 1,489	$ 919	$ 4,093