Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues	$ 1,704,000	$ 0
Cost of revenues (exclusive of depreciation and amortization shown separately below)	960,000	0
Operating expenses
Research and development	5,075,000	2,337,000
General and administrative	7,656,000	5,071,000
Depreciation and amortization	288,000	148,000
Total operating expenses	13,019,000	7,556,000
Loss from operations	12,275,000	7,556,000
Other (income) expenses
Interest income	(3,014,000)	(1,833,000)
Change in fair value of derivatives	(760,000)	834,000
Change in fair value of warrants liability	(6,766,000)	1,774,000
Change in fair value of earnout liability	(12,872,000)	(15,227,000)
Other expenses (income), net	1,368,000	(450,000)
Total other income, net	(22,044,000)	(14,902,000)
Net income	9,769,000	7,346,000
Other comprehensive income
Unrealized gain (loss) on marketable securities, net of tax	1,410,000	(4,575,000)
Foreign currency translation adjustment, net of tax	120,000	885,000
Total comprehensive income	$ 11,299,000	$ 3,656,000
Net income per share, basic (in dollars per share)	$ 0.07	$ 0.05
Net income per share, diluted (in dollars per share)	$ 0.07	$ 0.05
Weighted-average common shares outstanding, basic (in shares)	138,651,062	136,825,016
Weighted-average common shares outstanding, diluted (in shares)	142,454,369	141,732,403