CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid in Capital.	Accumulated Deficit	Total
Beginning Balance at Dec. 31, 2021	$ 7	$ 103,111	$ (77,661)	$ 25,457
Beginning Balance (in shares) at Dec. 31, 2021	7,160
Stock-based compensation		217		217
Net loss			(3,359)	(3,359)
Ending Balance at Mar. 31, 2022	$ 7	103,328	(81,020)	22,315
Ending Balance (in shares) at Mar. 31, 2022	7,160
Beginning Balance at Dec. 31, 2022	$ 8	105,695	(91,529)	14,174
Beginning Balance (in shares) at Dec. 31, 2022	7,960
Stock-based compensation		206		206
Net loss			(5,273)	(5,273)
Ending Balance at Mar. 31, 2023	$ 8	$ 105,901	$ (96,802)	$ 9,107
Ending Balance (in shares) at Mar. 31, 2023	7,960