Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Equity [Abstract]
Net Income	$ 331	$ 26
Weighted average common shares outstanding (basic) (in shares)	2,297	2,251
Unvested restricted stock (in shares)	0	44
Weighted average common shares outstanding (diluted) (in shares)	2,297	2,295
Basic
Net income per share (in dollars per share)	$ 0.14	$ 0.01
Diluted
Net income per share (in dollars per share)	$ 0.14	$ 0.01