Consolidated Statement Of Changes In Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Series C Preferred Stock [Member]	Total
Balance at Dec. 31, 2018	$ 44	$ 61,706	$ (12,752)	$ (73)	$ (3,366)		$ 45,559
Net income			1,681				1,681
Other comprehensive income (loss)				35			35
Issuance of stock based incentive plan shares, net of forfeitures
Restricted stock expense, net of forfeitures		116					116
Exercise of warrants to common stock		243					243
Accretion of discount on warrants		(26)	26
Balance at Mar. 31, 2019	44	62,039	(11,045)	(38)	(3,366)		47,634
Balance at Dec. 31, 2019	54	86,903	(2,932)	28	(3,389)		80,664
Net income			2,006				2,006
Other comprehensive income (loss)				144			144
Restricted stock expense, net of forfeitures		143					143
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes					(27)		(27)
Purchase of treasury shares					(49)		(49)
Balance at Mar. 31, 2020	$ 54	$ 87,046	$ (926)	$ 172	$ (3,465)		$ 82,881