Liquidity and Financial Condition (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 24, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Working capital deficit				$ (2,600)
Net loss		$ 459	$ (446)	(2,320)	$ (2,573)
Accumulated deficits		$ (144,069)		(144,069)		$ (141,749)
Gross proceeds from issuance of stock				$ 2,095	$ 2,140
Common stock, par value (in dollars per share)		$ 0.0001		$ 0.0001		$ 0.0001
Underwriting Agreement [Member] | Laidlaw & Company (UK) Ltd. [Member]
Gross proceeds from issuance of stock	$ 2,500
Net proceeds from issuance of stock	$ 2,100
Issuance and sale of common stock	1,250,000
Share price	$ 2.00
Common stock, par value (in dollars per share)	$ 0.0001
Percentage of estimated offering expenses	8.00%