Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Common Stock [Member]	Paid-In Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2015	$ 5	$ 258,096	$ (67)	$ (217,297)	$ (258)	$ 40,479
Balance shares at Dec. 31, 2015	4,522,186
Net loss				(12,624)		(12,624)
Common stock issued, net of issuance costs	$ 7	11,981				11,988
Common stock issued, net of issuance costs, shares	7,390,061
Common stock issued for loan interest		242				242
Common stock issued for loan interest, shares	38,086
Common stock issued for settlement of accounts payable		834				834
Common stock issued for settlement of accounts payable, shares	214,991
Common stock issued as payment for commitment fees		856				856
Common stock issued as payment for commitment fees, shares	315,000
Stock compensation expense and related share issuances		545				545
Stock compensation expense and related share issuances, shares	7,698
Reclassification of unrealized holding loss to realized holding loss			67			67
Balance at Sep. 30, 2016	$ 12	$ 272,554		$ (229,921)	$ (258)	$ 42,387
Balance shares at Sep. 30, 2016	12,488,022