CONDENSED CONSOLIDATED STATEMENTS OF COMMON STOCK AND STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance at Dec. 31, 2021	$ 146,513	$ 3	$ 296,049	$ (149,206)	$ (333)
Beginning balance, shares at Dec. 31, 2021		30,609,029
Stock-based compensation expense	1,515		1,515
Exercise of options into common stock	237		237
Exercise of options into common stock, shares		73,784
Employee stock purchase plan expense	14		14
Unrealized loss on marketable securities	(566)				(566)
Net loss	(12,405)			(12,405)
Ending balance at Mar. 31, 2022	135,308	$ 3	297,815	(161,611)	(899)
Ending balance, shares at Mar. 31, 2022		30,682,813
Beginning balance at Dec. 31, 2022	103,407	$ 3	302,202	(197,794)	(1,004)
Beginning balance, shares at Dec. 31, 2022		30,764,160
Stock-based compensation expense	1,213		1,213
Issuance of equity in exchange for compensation	302		302
Issuance of equity in exchange for compensation, Shares		208,510
Surrender of shares for tax withholding	(76)		(76)
Surrender of shares for tax withholding, Shares		(50,343)
Vesting of restricted stock shares, shares		49,014
Unrealized loss on marketable securities	181				181
Net loss	(10,177)			(10,177)
Ending balance at Mar. 31, 2023	$ 94,850	$ 3	$ 303,641	$ (207,971)	$ (823)
Ending balance, shares at Mar. 31, 2023		30,971,341