Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Equity [Abstract]
Net Income	$ 671	$ 366	$ 802	$ 1,628
Weighted average common shares outstanding (basic) (in shares)	2,262	2,219	2,264	2,203
Unvested restricted stock (in shares)	29	92	29	92
Weighted average common shares outstanding (diluted) (in shares)	2,291	2,311	2,293	2,295
Basic
Net income per share (in dollars per share)	$ 0.30	$ 0.17	$ 0.35	$ 0.74
Diluted
Net income per share (in dollars per share)	$ 0.29	$ 0.16	$ 0.35	$ 0.71