CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid- in Capital	Accumulated Deficit
Beginning balance at Dec. 31, 2020	$ 43,345	$ 13		$ 66,005	$ (22,673)
Beginning balances, shares at Dec. 31, 2020		12,167,327
Vesting of restricted stock units, Shares		40,750
Retirement of treasury stock	0
Share-based compensation	2,397			2,397
Net income (loss)	(578)				(578)
Ending balance at Mar. 31, 2021	45,164	$ 13		68,402	(23,251)
Ending balances, shares at Mar. 31, 2021		12,208,077
Beginning balance at Dec. 31, 2021	69,429	$ 13		91,434	(22,018)
Beginning balances, shares at Dec. 31, 2021		13,488,540
Vesting of restricted stock units		$ 1		(1)
Vesting of restricted stock units, Shares		34,750
Increase in treasury stock resulting from shares withheld to cover statutory taxes	(6)		$ (6)
Increase in treasury stock resulting from shares withheld to cover statutory taxes, Shares			(223)
Retirement of treasury stock	6		$ 6	(6)
Retirement of treasury stock, Shares		(223)	223
Share-based compensation	1,688			1,688
Net income (loss)	107				107
Ending balance at Mar. 31, 2022	$ 71,218	$ 14		$ 93,115	$ (21,911)
Ending balances, shares at Mar. 31, 2022		13,523,067