CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data	Series B Convertible, Redeemable Preferred	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Total
Beginning, amount at Dec. 31, 2011	$ 2	$ 679	$ (64)	$ 101,720	$ (65)	$ (107,984)	$ (5,712)
Beginning, shares at Dec. 31, 2011	239,400	67,995,620	(6,704)
Issuance of common stock pursuant to warrant exercises, Shares		7,052,647
Issuance of common stock pursuant to warrant exercises, Amount		70		3,457			3,527
Issuance of common stock pursuant to cashless warrant exercises, Shares		1,573,362
Issuance of common stock pursuant to cashless warrant exercises, Amount		16		688			704
Issuance of common stock pursuant to option exercises, Shares		24,924
Issuance of common stock pursuant to option exercises, Amount				7			7
Warrants issued to consultants as compensation				27			27
Warrants issued as consideration for asset purchase				87			87
Reclassification of warrants previously classified as derivative liabilities				13,588			13,588
Stock-based compensation expense				608			608
Additional minimum pension liability					1		1
Foreign currency translation adjustment					(75)		(785)
Dividends on preferred stock						(229)	(229)
Net loss						(10,190)	(10,190)
Ending, amount at Dec. 31, 2012	2	765	(64)	120,182	(139)	(118,403)	2,343
Ending, shares at Dec. 31, 2012	239,400	76,646,553	(6,704)
Issuance of common stock pursuant to warrant exercises, Shares		6,132,779		120,182	(139)	(118,403)	2,343
Issuance of common stock pursuant to warrant exercises, Amount		61		3,509			3,570
Issuance of common stock pursuant to cashless warrant exercises, Shares		4,458,493
Issuance of common stock pursuant to cashless warrant exercises, Amount		45		7,033			7,033
Issuance of common stock pursuant to option exercises, Shares		35,310
Issuance of common stock pursuant to option exercises, Amount				11			11
Stock issued to consultants as compensation, shares		264,000
Stock issued to consultants as compensation, amount		3		38			41
Warrants issued to consultants as compensation				108			108
Conversion of related party notes payable to common stock, shares		18,182
Conversion of related party notes payable to common stock, amount		2		10			10
Reclassification of warrants previously classified as derivative liabilities				186			186
Stock-based compensation expense				575			575
Additional minimum pension liability					(622)		(622)
Foreign currency translation adjustment					(69)		(69)
Dividends on preferred stock						(51)	(51)
Net loss						(9,849)	(9,849)
Ending, amount at Dec. 31, 2013	$ 2	$ 874	$ (64)	$ (131,652)	$ (830)	$ (128,303)	$ 3,331
Ending, shares at Dec. 31, 2013	239,400	87,555,317	(6,704)				(9,849)