Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Equity [Abstract]
Net Income	$ 707	$ 105	$ 1,038	$ 131
Weighted average common shares outstanding (basic) (in shares)	2,267	2,251	2,241	2,251
Unvested restricted stock (in shares)	83	43	83	43
Weighted average common shares outstanding (diluted) (in shares)	2,350	2,294	2,324	2,294
Basic
Net income per share (in dollars per share)	$ 0.31	$ 0.05	$ 0.46	$ 0.06
Diluted
Net income per share (in dollars per share)	$ 0.30	$ 0.05	$ 0.45	$ 0.06