CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) - 3 months ended Mar. 31, 2016 - USD ($) $ in Thousands	Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Beginning balance at Dec. 31, 2015	$ 1	$ 10	$ 223,315	$ (207,240)	$ 1	$ 16,087
Beginning balance (in shares) at Dec. 31, 2015	6,505	10,283,393
Stock-based compensation	$ 0	$ 0	170	0	0	170
Conversion of senior secured convertible debentures	$ 0	$ 1	164	0	0	165
Conversion of senior secured convertible debentures (in shares)	0	220,000
Warrants issued in connection with debt	$ 0	$ 0	47	0	0	47
Net loss for the three months ended March 31, 2016	0	0	0	(1,437)	0	(1,437)
Ending balance at Mar. 31, 2016	$ 1	$ 11	$ 223,696	$ (208,677)	$ 1	$ 15,032
Ending balance (in shares) at Mar. 31, 2016	6,505	10,503,393