Consolidated Statement of Changes In Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2015	4,363,346
Balance at Dec. 31, 2015	$ 1,818	$ 41,614	$ 47,725	$ (4,836)	$ 575	$ 86,896
Net Income			5,558			5,558
Other Comprehensive Income (Loss)					58	58
Stock-Based Compensation Expense		262				262
Dividends Paid			(2,694)			(2,694)
Balance (in shares) at Sep. 30, 2016	4,363,346
Balance at Sep. 30, 2016	$ 1,818	41,876	50,589	(4,836)	633	90,080
Balance (in shares) at Dec. 31, 2016	4,363,346
Balance at Dec. 31, 2016	$ 1,818	41,863	51,713	(4,746)	(1,179)	89,469
Net Income			5,569			5,569
Other Comprehensive Income (Loss)					525	525
Stock-Based Compensation Expense		258				258
Dividends Paid			(2,698)			(2,698)
Exercise of Stock Options		7		24		31
Balance (in shares) at Sep. 30, 2017	4,363,346
Balance at Sep. 30, 2017	$ 1,818	$ 42,128	$ 54,584	$ (4,722)	$ (654)	$ 93,154