CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenues
Technology development revenue	$ 4,529	$ 4,009
Collaboration revenue	1,218	773
Total revenues	5,747	4,782
Operating expenses
Research and development	58,908	44,586
Selling, general and administrative	40,552	28,780
Depreciation and amortization	13,037	6,654
Total operating expenses	112,497	80,020
Operating loss	(106,750)	(75,238)
Other income (expense)
Interest expense	(972)	(3,432)
Other income (expense), net	2,357	(31,189)
Total other income (expense), net	1,385	(34,621)
Loss before income taxes	(105,365)	(109,859)
Income tax benefit	461	8,899
Net loss	(104,904)	(100,960)
Cumulative undeclared preferred stock dividends	0	(2,284)
Net loss available to common stockholder basic	(104,904)	(103,244)
Net loss available to common stockholder diluted	$ (104,904)	$ (103,244)
Net loss per share attributable to common stockholders: basic (usd per share)	$ (1.15)	$ (2.08)
Net loss per share attributable to common stockholders: diluted (usd per share)	$ (1.15)	$ (2.08)
Weighted-average common shares outstanding: basic (in shares)	90,845,629	49,685,194
Weighted-average common shares outstanding: diluted (in shares)	90,845,629	49,685,194
Comprehensive loss:
Net loss	$ (104,904)	$ (100,960)
Foreign currency translation adjustments	(66)	(13)
Unrealized loss on investments	(41)	0
Comprehensive loss	$ (105,011)	$ (100,973)