Shareholders' Equity - Calculation of earning per share (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Equity [Abstract]
Net (loss) income	$ (3,301)	$ 358	$ (2,999)	$ 1,039
Weighted average common shares outstanding (basic) (in shares)	2,262	2,305	2,265	2,259
Incremental shares from assumed conversions of stock options (in shares)				1
Weighted average common shares outstanding (diluted) (in shares)	2,262	2,305	2,265	2,260
Basic
Net (loss) income per share (in dollars per share)	$ (1.46)	$ 0.16	$ (1.32)	$ 0.46
Diluted
Net (loss) income per share (in dollars per share)	$ (1.46)	$ 0.16	$ (1.32)	$ 0.46