Loss Per Share (Details) - Calculation of loss per share - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Numerator:
Net loss, as reported	$ (3,080)	$ (123)	$ (4,048)	$ (2,632)
Change in dividends accumulated on preferred shares	(50)	(50)	(149)	(149)
Net loss attributable to common shares	$ (3,130)	$ (173)	$ (4,197)	$ (2,781)
Denominator:
Weighted average shares outstanding (in Shares)	2,289	1,711	2,232	1,711
Basic and diluted loss per share (in Dollars per share)	$ (1.37)	$ (0.10)	$ (1.88)	$ (1.63)