Shareholders' Equity - Calculation of earning per share (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Equity [Abstract]
Net income	$ 447	$ 504	$ 302	$ 681
Weighted average common shares outstanding (basic) (in shares)	2,265	2,318	2,266	2,237
Incremental shares from assumed conversions of stock options (in shares)		1
Weighted average common shares outstanding (diluted) (in shares)	2,265	2,319	2,266	2,237
Basic
Net income per share (in dollars per share)	$ 0.20	$ 0.22	$ 0.13	$ 0.30
Diluted
Net income per share (in dollars per share)	$ 0.20	$ 0.22	$ 0.13	$ 0.30