Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenues	$ 6,898,000	$ 0	$ 8,602,000	$ 0
Cost of revenues (exclusive of depreciation and amortization shown separately below)	6,814,000	0	7,774,000	0
Operating expenses
Research and development	5,396,000	2,649,000	10,471,000	4,985,000
General and administrative	8,619,000	5,864,000	16,275,000	10,935,000
Depreciation and amortization	347,000	160,000	635,000	308,000
Total operating expenses	14,362,000	8,673,000	27,381,000	16,228,000
Loss from operations	(14,278,000)	(8,673,000)	(26,553,000)	(16,228,000)
Other income (expenses)
Interest income	2,426,000	1,936,000	5,440,000	3,768,000
Interest expenses	(2,000)	0	(2,000)	0
Gain (loss) in fair value of derivatives	(266,000)	1,430,000	494,000	596,000
Gain (loss) in fair value of warrants liability	(2,143,000)	18,803,000	4,623,000	17,029,000
Gain in fair value of earnout liability	7,508,000	33,188,000	20,380,000	48,414,000
Other income (expenses), net	420,000	247,000	(948,000)	698,000
Total other income, net	7,943,000	55,604,000	29,987,000	70,505,000
Net income (loss) before income tax expenses	(6,335,000)	46,931,000	3,434,000	54,277,000
Income tax expenses	(129,000)	0	(129,000)	0
Net Income (Loss) Attributable to Parent, Total	(6,464,000)	46,931,000	3,305,000	54,277,000
Other comprehensive income (loss)
Unrealized gain (loss) on marketable securities, net of tax	1,504,000	(4,805,000)	2,914,000	(9,380,000)
Foreign currency translation adjustment, net of tax	3,272,000	(1,693,000)	3,392,000	(808,000)
Total comprehensive income (loss)	$ (1,688,000)	$ 40,433,000	$ 9,611,000	$ 44,089,000
Net income (loss) per share, basic (in dollars per share)	$ (0.05)	$ 0.34	$ 0.02	$ 0.40
Net income (loss) per share, diluted (in dollars per share)	$ (0.05)	$ 0.33	$ 0.02	$ 0.38
Weighted-average common shares outstanding, basic (in shares)	139,265,248	137,141,655	139,154,557	136,985,440
Weighted-average common shares outstanding, diluted (in shares)	139,265,248	142,195,637	143,039,435	142,078,752