Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - 3 months ended Mar. 31, 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				$ (4,273)		(4,273)
Common stock issued, net of issuance costs		$ 1,352				1,352
Common stock issued, net of issuance costs, shares	478,776
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		703				703
Common stock issued for settlement of accounts payable, shares	117,097
Common stock issued as payment for commitment fees		333				333
Common stock issued as payment for commitment fees, shares	75,000
Stock compensation expense and related share issuances		$ 183				183
Stock compensation expense and related share issuances, shares	5,289
Reclassification of unrealized holding loss to realized holding loss			$ 67			67
Balance at Mar. 31, 2016	$ 5	$ 260,909		$ (221,570)	$ (258)	$ 39,086
Balance shares at Mar. 31, 2016	5,236,434