Condensed Consolidated Statements of Stockholders Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock (Deficit)	Total
Beginning balance, shares at Dec. 31, 2018	13,882,937
Beginning balance, amount at Dec. 31, 2018	$ 8,330	$ 25,867	$ (2,393)	$ (4,092)	$ 27,712
Stock options exercised, shares	1,000
Stock options exercised, amount	$ 0	2			2
Restricted stock units issued, shares	45,444
Restricted stock units issued, amount	$ 27	(27)			0
Share-based compensation expense		148			148
Restricted stock unit compensation expense		105			105
Dividends declared			(1,014)		(1,014)
Net income (loss)			(2,636)		(2,636)
Repurchase of common stock				(1,041)	(1,041)
Ending balance, shares at Dec. 31, 2019	13,929,381
Ending balance, amount at Dec. 31, 2019	$ 8,357	26,095	(6,043)	(5,133)	23,276
Restricted stock units issued, shares	32,985
Restricted stock units issued, amount	$ 20	(20)			0
Share-based compensation expense		129			129
Restricted stock unit compensation expense		142			142
Dividends declared			(1,002)		(1,002)
Net income (loss)			248		248
Repurchase of common stock				(269)	(269)
Ending balance, shares at Dec. 31, 2020	13,962,366
Ending balance, amount at Dec. 31, 2020	$ 8,377	$ 26,346	$ (6,797)	$ (5,402)	$ 22,524