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, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Equity [Abstract]
Income from continuing operations	$ 504	$ 745	$ 681	$ 1,026
Loss from discontinued operations		(465)		(677)
Net income	$ 504	$ 280	$ 681	$ 349
Weighted average common shares outstanding (basic) (in shares)	2,318	2,151	2,237	2,114
Incremental shares from assumed conversions of stock options	1	7		25
Weighted average common shares outstanding (diluted) (in shares)	2,319	2,158	2,237	2,139
Basic
Income per share from continuing operations (in dollars per share)	$ 0.22	$ 0.35	$ 0.30	$ 0.49
Loss per share from discontinued operations (in dollars per share)		$ (0.22)		$ (0.32)
Total net income per share (in dollars per share)	$ 0.22	$ 0.13	$ 0.30	$ 0.17
Diluted
Income per share from continuing operations (in dollars per share)	$ 0.22	$ 0.35	$ 0.30	$ 0.48
Loss per share from discontinued operations (in dollars per share)		$ (0.22)		$ (0.32)
Total net income per share (in dollars per share)	$ 0.22	$ 0.13	$ 0.30	$ 0.16