Consolidated Statements of Shareholders' Deficit (USD $) In Thousands, except Share data	Total	Preferred Stock	Common Stock	Other Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Non-controlling Interest
Beginning balance at Dec. 31, 2010	$ (162,355)	$ 160	$ 27,901	$ 98,466	$ (57,680)	$ (226,740)	$ (4,462)
Beginning balance, shares at Dec. 31, 2010		160,129	11,160,798
Preferred dividends declared	(21,301)					(21,301)
Common stock issued as compensation	4,721		600	4,121
Common stock issued as compensation, shares			240,118
Common stock options exercised	422		78	344
Common stock options exercised, shares			31,200
Conversion of convertible notes and securities	25,485		4,698	20,787
Conversion of convertible notes and securities, shares		(169)	1,879,098
Common stock issued to pension plans assets	4,257		1,125	3,132
Common stock issued to pension plans assets, shares			450,000
Issuance of restricted stock	(437)		125	(562)
Issuance of restricted stock, shares			50,165
Net loss	(36,875)					(33,100)	(3,775)
Other comprehensive loss	(63,775)				(63,775)
Ending balance at Dec. 31, 2011	(249,858)	160	34,527	126,288	(121,455)	(281,141)	(8,237)
Ending balance, shares at Dec. 31, 2011		159,960	13,811,379
Preferred dividends declared	(1,360)					(1,360)
Common stock issued as compensation	6,040		808	5,232
Common stock issued as compensation, shares			323,432
Issuance of restricted stock	(501)		167	(668)
Issuance of restricted stock, shares			66,600
Net loss	(13,662)					(7,226)	(6,436)
Other comprehensive loss	(26,890)				(26,890)
Ending balance at Dec. 31, 2012	(286,231)	160	35,502	130,852	(148,345)	(289,727)	(14,673)
Ending balance, shares at Dec. 31, 2012		159,960	14,201,411
Preferred dividends declared	(1,360)					(1,360)
Common stock issued as compensation	5,322		560	4,762
Common stock issued as compensation, shares			224,129
Issuance of restricted stock	(336)		417	(753)
Issuance of restricted stock, shares			166,691
Net loss	(8,127)					(4,697)	(3,430)
Assumption of noncontrolling interest of subsidiary	18,103						18,103
Other comprehensive loss	84,750				84,750
Ending balance at Dec. 31, 2013	$ (187,879)	$ 160	$ 36,479	$ 134,861	$ (63,595)	$ (295,784)	$ 0
Ending balance, shares at Dec. 31, 2013		159,960	14,592,231