Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Equity [Abstract]
Net income	$ 26	$ 258
Weighted average common shares outstanding (basic) (in shares)	2,251	2,221
Unvested restricted stock (in shares)	44	41
Weighted average common Shares outstanding (diluted) (in shares)	2,294	2,262
Basic
Net income per share (in dollars per share)	$ 0.01	$ 0.12
Diluted
Net income per share (in dollars per share)	$ 0.01	$ 0.11