Shareholders' Equity - Calculation of earning per share (Details 1) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Equity [Abstract]
Net Income	$ 98	$ 331
Weighted average common shares outstanding (basic) (in shares)	2,328	2,297
Unvested restricted stock (in shares)	53	0
Weighted average common shares outstanding (diluted) (in shares)	2,381	2,297
Basic
Net income per share (in dollars per share)	$ 0.04	$ 0.14
Diluted
Net income per share (in dollars per share)	$ 0.04	$ 0.14