Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Equity [Abstract]
Net income	$ 621	$ 447	$ 3,392	$ 302
Weighted average common shares outstanding (basic) (in shares)	2,179	2,141	2,179	2,142
Incremental shares from assumed conversions of stock options (in shares)
Unvested restricted stock	82	124	82	124
Weighted average common Shares outstanding (diluted) (in shares)	2,261	2,265	2,261	2,266
Basic
Net income per share (in dollars per share)	$ 0.28	$ 0.21	$ 1.56	$ 0.14
Diluted
Net income per share (in dollars per share)	$ 0.27	$ 0.21	$ 1.50	$ 0.14