Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common stock	Additional paid-in capital	Accumulated deficit	Total
Stockholders' (deficit) equity beginning balance at Dec. 31, 2021	$ 677	$ 381,966	$ (287,887)	$ 94,756
Stockholders' (deficit) equity shares beginning balance at Dec. 31, 2021	67,716
Stockholders' (Deficit) Equity Rollforward
Issuance of warrants in connection with term loan financing		206		206
Stock-based compensation		2,350		2,350
Net loss			(19,827)	(19,827)
Stockholders' (deficit) equity ending balance at Mar. 31, 2022	$ 677	384,522	(307,714)	77,485
Stockholders' (deficit) equity shares ending balance at Mar. 31, 2022	67,716
Stockholders' (deficit) equity beginning balance at Dec. 31, 2022	$ 677	390,344	(352,736)	$ 38,285
Stockholders' (deficit) equity shares beginning balance at Dec. 31, 2022	67,716			67,716
Stockholders' (Deficit) Equity Rollforward
Stock-based compensation		1,037		$ 1,037
Net loss			(21,066)	(21,066)
Stockholders' (deficit) equity ending balance at Mar. 31, 2023	$ 677	$ 391,381	$ (373,802)	$ 18,256
Stockholders' (deficit) equity shares ending balance at Mar. 31, 2023	67,716			67,716