Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Condensed Consolidated Statements of Operations and Comprehensive Income (Loss)
Revenue	$ 2,813	$ 628	$ 7,591	$ 1,669
Operating expenses
Direct costs	3,544	709	8,561	1,764
Research and development	9,710	4,400	24,811	10,709
Marketing and sales	864	729	2,615	1,819
General and administrative	4,294	3,271	13,212	6,200
Total operating expenses	18,412	9,109	49,199	20,492
Operating loss	(15,599)	(8,481)	(41,608)	(18,823)
Non-operating income (expense)
Interest income	1,777	18	2,713	27
Interest expense	(12)	(32)	(22)	(374)
Other income (expense)	1,351	(2)	1,587	(3,102)
Change in fair value of warrant liabilities	0		28,183
Loss from change in fair value of embedded derivative liability				(2,680)
Total non-operating income (expense)	3,116	(16)	32,461	(6,129)
Pretax loss	(12,483)	(8,497)	(9,147)	(24,952)
Income tax expense (benefit)	(84)	(47)	(71)	(88)
Net loss	(12,399)	(8,450)	(9,076)	(24,864)
Other comprehensive loss	(2,546)		(3,837)
Comprehensive loss attributable to common stockholders	$ (14,945)	$ (8,450)	$ (12,913)	$ (24,864)
Net loss per share - Basic	$ (0.07)	$ (0.08)	$ (0.05)	$ (0.28)
Net loss per share - Diluted	$ (0.07)	$ (0.08)	$ (0.05)	$ (0.28)
Weighted average shares outstanding - Basic	175,025,984	102,389,770	173,859,649	87,258,952
Weighted average shares outstanding - Diluted	175,025,984	102,389,770	173,859,649	87,258,952