Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Equity [Abstract]
Net income	$ 258	$ 2,771
Weighted average common shares outstanding (basic) (in shares)	2,221	2,179
Incremental shares from assumed conversions of stock options (in shares)
Unvested restricted stock	41	82
Weighted average common Shares outstanding (diluted) (in shares)	2,262	2,261
Basic
Net income per share (in dollars per share)	$ 0.12	$ 1.27
Diluted
Net income per share (in dollars per share)	$ 0.11	$ 1.23