Consolidated Statements of Stockholders' Equity (audited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income, Net of Tax	Accumulated Deficit
Balance at Dec. 31, 2020	$ 74,492	$ 13	$ 224,363		$ (149,884)
Balance, Shares at Dec. 31, 2020		12,932,377
Vesting of restricted common stock, shares		2,600
Exercise of common stock options	604		604
Exercise of common stock options, Shares		72,201
Stock-based compensation	2,733		2,733
Net loss	(43,513)				(43,513)
Balance at Dec. 31, 2021	34,316	$ 13	227,700		(193,397)
Balance, Shares at Dec. 31, 2021		13,007,178
Exercise of common stock options	$ 8		8
Exercise of common stock options, Shares	2,718	2,718
Issuance of common stock and pre-funded warrants, net of issuance costs of $4,244	$ 96,251	$ 19	96,232
Issuance of common stock and pre-funded warrants, net of issuance costs, Shares		18,815,159
Issuance of common stock upon RSU vesting, shares		2,604
Unrealized gain on available-for-sale securities	10			$ 10
Stock-based compensation	5,447		5,447
Net loss	(55,278)				(55,278)
Balance at Dec. 31, 2022	$ 80,754	$ 32	$ 329,387	$ 10	$ (248,675)
Balance, Shares at Dec. 31, 2022		31,827,659