CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Preferred Stock [Member] 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, 2016	$ 1	$ 2	$ 225,289	$ (210,575)	$ 2	$ 14,719
Beginning balance (in shares) at Dec. 31, 2016	6,000	2,166,898
Stock-based compensation	$ 0	$ 0	52	0	0	52
Conversion of senior secured convertible debentures	$ 0	$ 0	56	0	0	56
Conversion of senior secured convertible debentures (in shares)	0	15,000
Net loss	$ 0	$ 0	0	(2,235)	0	(2,235)
Ending balance at Mar. 31, 2017	$ 1	$ 2	$ 225,397	$ (212,810)	$ 2	$ 12,592
Ending balance (in shares) at Mar. 31, 2017	6,000	2,181,898