CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIENCY (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Common Stock	Dec. 31, 2010 Common Stock	Dec. 31, 2011 Additional Paid in Capital	Dec. 31, 2010 Additional Paid in Capital	Dec. 31, 2011 Accumulated Deficit	Dec. 31, 2010 Accumulated Deficit	Dec. 31, 2011 Accumulated Other Comprehensive Loss	Dec. 31, 2010 Accumulated Other Comprehensive Loss	Dec. 31, 2009 as previously reported	Dec. 31, 2009 as previously reported Common Stock	Dec. 31, 2009 as previously reported Additional Paid in Capital	Dec. 31, 2009 as previously reported Accumulated Deficit	Dec. 31, 2009 as previously reported Accumulated Other Comprehensive Loss	Dec. 31, 2009 Prior period adjustment (Note 15)	Dec. 31, 2009 Prior period adjustment (Note 15) Accumulated Deficit
Increase (Decrease) in Stockholders' Deficiency
Balance	$ (25,180)	$ (77,876)	$ 75,461	$ 35,437	$ 9,159	$ 9,019	$ (92,906)	$ (117,658)	$ (16,894)	$ (4,674)	$ (76,941)	$ 35,437	$ 9,019	$ (116,723)	$ (4,674)	$ (935)	$ (935)
Balance (in shares)	18,516,115		18,516,000	8,087,000								8,087,000
Issuance of stock, net of costs		39,559		39,559
Issuance of stock, net of costs (in shares)				10,390,000
Pension benefits adjustment (Note 9)	(6,675)	(12,220)							(6,675)	(12,220)
Stock compensation expense	646				646
Share-based compensation expense		735				735
Vested restricted stock issued			594	595	(594)	(595)
Vested restricted stock issued (in shares)			92,000	74,000
Shares cancelled to pay tax liability	(122)	(130)	(122)	(130)
Shares cancelled to pay tax liability (in shares)			(25,000)	(35,000)
Net income	5,078	24,752					5,078	24,752
Balance	$ (26,253)	$ (25,180)	$ 75,933	$ 75,461	$ 9,211	$ 9,159	$ (87,828)	$ (92,906)	$ (23,569)	$ (16,894)	$ (76,941)	$ 35,437	$ 9,019	$ (116,723)	$ (4,674)	$ (935)	$ (935)
Balance (in shares)	18,582,954	18,516,115	18,583,000	18,516,000								8,087,000