CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2021	$ 54,879	$ 110	$ 132,363	$ (77,594)
Beginning Balance, Shares at Dec. 31, 2021		10,990
Stock-based compensation	1,607		1,607
Restricted stock awards cancelled		(5)
Net loss	(6,674)			(6,674)
Ending Balance at Mar. 31, 2022	49,812	$ 110	133,970	(84,268)
Ending Balance, Shares at Mar. 31, 2022		10,985
Beginning Balance at Dec. 31, 2022	41,984	$ 111	139,381	(97,508)
Beginning Balance, Shares at Dec. 31, 2022		11,093
Stock-based compensation	1,726		1,726
Common stock issued, Shares		15
Restricted stock awards cancelled		(5)
Net loss	(4,272)			(4,272)
Ending Balance at Mar. 31, 2023	$ 39,438	$ 111	$ 141,107	$ (101,780)
Ending Balance, Shares at Mar. 31, 2023		11,103