Loss Per Share (Details) - Calculation of loss per share - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Numerator:
Net loss, as reported	$ (1,028)	$ (1,254)	$ (968)	$ (2,509)
Change in dividends accumulated on preferred shares	(50)	(49)	(99)	(99)
Net loss attributable to common shares	$ (1,078)	$ (1,303)	$ (1,067)	$ (2,608)
Denominator:
Weighted average shares outstanding (in Shares)	2,243	1,711	2,203	1,711
Basic and diluted loss per share (in Dollars per share)	$ (0.48)	$ (0.76)	$ (0.48)	$ (1.52)