Consolidated Statements of Stockholders' Deficiency (Equity) (USD $) In Thousands, except Share data, unless otherwise specified	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss)/Income	Comprehensive Income
Balance at Dec. 31, 2009	$ (70,987)	$ 1	$ 225	$ 379,223	$ (426,211)	$ (24,225)
Balance (in shares) at Dec. 31, 2009		57,500	22,537,664
Increase (Decrease) in Stockholders' Equity
Common stock option exercises	48			48
Common stock option exercises (in shares)			17,000
Common stock issuance	13,658		25	13,633
Common stock issuance (in shares)			2,484,000
Preferred stock dividends	(5,750)			(5,750)
Share-based compensation	1,281			1,281
Restricted stock	481		1	480
Restricted stock (in shares)			49,875
Warrants issued	46			46
Comprehensive income (loss):
Net loss	(11,685)				(11,685)
Foreign currency translation adjustment	778					778
Change in fair value on interest rate swap agreements	17,781					17,781
Comprehensive income (loss)	6,874						6,874
Balance at Dec. 31, 2010	(54,349)	1	251	388,961	(437,896)	(5,666)
Balance (in shares) at Dec. 31, 2010		57,500	25,088,539
Increase (Decrease) in Stockholders' Equity
Common stock option exercises	10			10
Common stock option exercises (in shares)			13,000
Preferred stock dividends	(5,744)			(5,744)
Preferred stock conversion			1	(1)
Preferred stock conversion (in shares)		(234)	61,904
Share-based compensation	1,142			1,142
Restricted stock	476		1	475
Restricted stock (in shares)			109,291
Comprehensive income (loss):
Net loss	(631)				(631)
Foreign currency translation adjustment	(687)					(687)
Amortization of unrealized loss on interest rate swaps	4,928					4,928
Change in fair value on interest rate swap agreements	3,914					3,914
Comprehensive income (loss)	7,524						7,524
Balance at Dec. 31, 2011	(50,941)	1	253	384,843	(438,527)	2,489
Balance (in shares) at Dec. 31, 2011		57,266	25,272,734
Increase (Decrease) in Stockholders' Equity
Common stock option exercises	10			10
Common stock option exercises (in shares)			14,875
Preferred stock dividends	(2,863)			(2,863)
Preferred stock conversion			18	(18)
Preferred stock conversion (in shares)		(6,750)	1,785,709
Share-based compensation	1,381			1,381
Restricted stock	684		3	681
Restricted stock (in shares)			288,600
Comprehensive income (loss):
Net loss	(134,287)				(134,287)
Foreign currency translation adjustment	514					514
Comprehensive income (loss)	(133,773)						(133,773)
Balance at Dec. 31, 2012	$ (185,502)	$ 1	$ 274	$ 384,034	$ (572,814)	$ 3,003
Balance (in shares) at Dec. 31, 2012		50,516	27,361,918