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, 2019	$ 42,084	$ 12	$ (1,255)	$ 59,187	$ (15,860)
Beginning balances, shares at Dec. 31, 2019		11,657,912	(103,147)
Vesting of restricted stock units, Shares		35,250
Share-based compensation	2,809			2,809
Net loss	(1,481)				(1,481)
Ending balance at Mar. 31, 2020	43,412	$ 12	$ (1,255)	61,996	(17,341)
Ending balances, shares at Mar. 31, 2020		11,693,162	(103,147)
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
Share-based compensation	2,397			2,397
Net 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