Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenues	$ 702	$ 82	$ 929	$ 212
Cost of revenues	280	123	567	316
Gross profit (loss)	422	(41)	362	(104)
Operating expenses:
Research and development	4,912	7,554	15,629	21,216
Selling, general and administrative	13,936	16,911	37,595	47,250
Total operating expenses	18,848	24,465	53,224	68,466
Operating loss	(18,426)	(24,506)	(52,862)	(68,570)
Other income (expense):
Other income	1,004	346	3,173	395
Interest expense	(582)	(496)	(1,839)	(866)
Change in estimated fair value of earn-out liabilities	2,128	77,892	3,182	77,892
Total other income	2,550	77,742	4,516	77,421
Income (loss) before income taxes	(15,876)	53,236	(48,346)	8,851
Net income (loss)	(15,876)	53,236	(48,346)	8,851
Unrealized gain on short-term investments	25	14	21	7
Comprehensive income (loss)	(15,851)	53,250	(48,325)	8,858
Net income (loss)	(15,876)	53,236	(48,346)	8,851
Dividends on Series D convertible preferred stock		(1,598)		(7,383)
Redemption value of Series D convertible preferred stock		(799)		(3,692)
Net income (loss) attributable to common stockholders - basic	$ (15,876)	$ 50,839	$ (48,346)	$ (2,224)
Net income (loss) per share attributable to common stockholders - basic	$ (0.2)	$ 1.38	$ (0.62)	$ (0.16)
Net income (loss) per share attributable to common stockholders - diluted	$ (0.2)	$ 0.76	$ (0.62)	$ (0.16)
Weighted average common stock outstanding - basic	78,217,870	36,920,116	78,149,517	13,690,186
Weighted average common shares outstanding - diluted	78,217,870	69,830,970	78,149,517	13,690,186