STATEMENT OF CHANGES IN STOCKHOLDERS' (DEFICIT) EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2020	$ 67,210	$ 109	$ 125,094	$ (57,993)
Beginning Balance, Shares at Dec. 31, 2020		10,933
Issuance of common stock under the 2020 ESPP	361	$ 1	360
Issuance of common stock under the 2020 ESPP, Shares		57
Stock-based compensation under the 2020 Plan	6,909		6,909
Net loss	(19,601)			(19,601)
Ending Balance at Dec. 31, 2021	54,879	$ 110	132,363	(77,594)
Ending Balance, Shares at Dec. 31, 2021		10,990
Issuance of common stock, net of cancellations,Shares		2
Issuance of common stock under the 2020 ESPP	408	$ 1	407
Issuance of common stock under the 2020 ESPP, Shares		107
Stock-based compensation under the 2020 Plan	6,611		6,611
Restricted stock awards cancelled		(6)
Net loss	(19,914)			(19,914)
Ending Balance at Dec. 31, 2022	$ 41,984	$ 111	$ 139,381	$ (97,508)
Ending Balance, Shares at Dec. 31, 2022		11,093