Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Equity [Abstract]
Net income	$ 1,004	$ 621	$ 1,262	$ 3,392
Weighted average common shares outstanding (basic) (in shares)	2,220	2,179	2,195	2,179
Incremental shares from assumed conversions of stock options (in shares)
Unvested restricted stock (in shares)	92	82	92	82
Weighted average common Shares outstanding (diluted) (in shares)	2,312	2,261	2,287	2,261
Basic
Net income per share (in dollars per share)	$ 0.45	$ 0.28	$ 0.57	$ 1.56
Diluted
Net income per share (in dollars per share)	$ 0.43	$ 0.27	$ 0.55	$ 1.50