Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Equity [Abstract]
Net Income	$ 105	$ 1,004	$ 131	$ 1,262
Weighted average common shares outstanding (basic) (in shares)	2,251	2,220	2,251	2,195
Incremental shares from assumed conversions of stock options (in shares)
Unvested restricted stock (in shares)	43	92	43	92
Weighted average common Shares outstanding (diluted) (in shares)	2,294	2,312	2,294	2,287
Basic
Net income per share (in dollars per share)	$ 0.05	$ 0.45	$ 0.06	$ 0.57
Diluted
Net income per share (in dollars per share)	$ 0.05	$ 0.43	$ 0.06	$ 0.55