Statements Of Changes In Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning Balance at Dec. 31, 2015	$ 339	$ 1,879	$ 9,855	$ (33)	$ 12,040
Beginning Balance, Shares at Dec. 31, 2015	3,395,521
Other Comprehensive Income				4	4
Stock based compensation expense		74			74
Net income			202		202
Ending Balance at Dec. 31, 2016	$ 339	1,953	10,057	(29)	12,320
Ending Balance, Shares at Dec. 31, 2016	3,395,521
Other Comprehensive Income				41	41
Stock based compensation expense		51			51
Net income			295		295
Ending Balance at Dec. 31, 2017	$ 339	$ 2,004	$ 10,352	$ 12	$ 12,707
Ending Balance, Shares at Dec. 31, 2017	3,395,521