Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Condensed Consolidated Statements of Operations and Comprehensive Income (Loss)
Revenue	$ 2,582	$ 561	$ 4,778	$ 1,041
Operating expenses
Direct costs	2,987	540	5,017	1,055
Research and development	8,440	3,203	15,101	6,309
Marketing and sales	957	535	1,752	1,090
General and administrative	4,894	2,332	8,918	2,929
Total operating expenses	17,278	6,610	30,788	11,383
Operating loss	(14,696)	(6,049)	(26,010)	(10,342)
Non-operating income (expense)
Interest income	735	9	936	9
Interest expense	(5)	(121)	(10)	(342)
Other income (expense)	196	(3,100)	235	(3,100)
Change in fair value of warrant liabilities	27,473		28,183
Loss from change in fair value of embedded derivative liability				(2,680)
Total non-operating income (expense)	28,399	(3,212)	29,344	(6,113)
Pretax income (loss)	13,703	(9,261)	3,334	(16,455)
Income tax expense (benefit)	36	12	13	(41)
Net income (loss)	13,667	(9,273)	3,321	(16,414)
Other comprehensive loss	(961)		(1,291)
Comprehensive income (loss) attributable to common stockholders	$ 12,706	$ (9,273)	$ 2,030	$ (16,414)
Basic earnings (loss) per share	$ 0.08	$ (0.10)	$ 0.02	$ (0.21)
Diluted earnings (loss) per share	$ 0.08	$ (0.10)	$ 0.02	$ (0.21)
Weighted average shares outstanding - basic	174,128,230	88,944,577	173,266,760	79,568,181
Weighted average shares outstanding - diluted	174,703,533	88,944,577	173,566,001	79,568,181