Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance	$ 31	$ 31,022	$ (10,082)	$ (2,113)	$ (238)	$ 18,620
Balance (in shares) at Dec. 31, 2017	6,160		668
Balance at Dec. 31, 2017	$ 31	31,022	$ (10,082)	(2,113)	(238)	18,620
Stock compensation expense		135				135
Cash dividends declared				(824)		(824)
Net income				1,251		1,251
Other comprehensive loss					(12)	(12)
Balance (in shares) at Mar. 31, 2018	6,160		668
Balance at Mar. 31, 2018	$ 31	31,157	$ (10,082)	(1,686)	(250)	19,171
Balance	31	31,022	(10,082)	(2,113)	(238)	18,620
Balance	31	31,157	(10,082)	(1,686)	(250)	19,171
Balance	$ 31	31,523	$ (10,082)	(1,326)	(1,399)	18,747
Balance (in shares) at Dec. 31, 2018	6,175		668
Balance at Dec. 31, 2018	$ 31	31,523	$ (10,082)	(1,326)	(1,399)	18,747
Stock compensation expense		158				158
Cash dividends declared				(991)		(991)
Net income				627		627
Other comprehensive loss					(48)	(48)
Balance (in shares) at Mar. 31, 2019	6,175		668
Balance at Mar. 31, 2019	$ 31	31,681	$ (10,082)	(1,690)	(1,447)	18,493
Balance	31	31,523	(10,082)	(1,326)	(1,399)	18,747
Balance	$ 31	$ 31,681	$ (10,082)	$ (1,690)	$ (1,447)	$ 18,493