CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIENCY (USD $) In Thousands, except Share data	9 Months Ended									9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	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	Sep. 30, 2011 Common Stock	Sep. 30, 2010 Common Stock	Sep. 30, 2011 Additional Paid in Capital	Sep. 30, 2010 Additional Paid in Capital	Sep. 30, 2011 Accumulated Deficit	Sep. 30, 2010 Accumulated Deficit	Sep. 30, 2010 Accumulated Other Comprehensive Loss	Sep. 30, 2011 Accumulated Other Comprehensive Loss	Dec. 31, 2010 Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' (Deficiency) Equity
Balance	$ (25,180)	$ (77,876)	$ (76,941)	$ 35,437	$ 9,019	$ (116,723)	$ (4,674)	$ (935)	$ (935)	$ 75,461	$ 35,437	$ 9,159	$ 9,019	$ (92,906)	$ (117,658)	$ (4,674)	$ (16,894)	$ (16,894)
Balance (in shares)	18,516,115			8,087,000						18,516,000	8,087,000
Issuance of stock, net of costs		39,565									39,565
Issuance of stock, net of costs (in shares)											10,390,000
Pension benefits adjustment (Note 10)		615														615
Share-based compensation expense	488	585										488	585
Vested restricted stock issued										445	471	(445)	(471)
Vested restricted stock issued (in shares)										68,000	58,000
Shares cancelled to pay tax liability	(88)	(102)								(88)	(102)
Shares cancelled to pay tax liability (in shares)										(18,000)	(24,000)
Net income	8,624	12,735												8,624	12,735
Balance	$ (16,156)	$ (24,478)	$ (76,941)	$ 35,437	$ 9,019	$ (116,723)	$ (4,674)	$ (935)	$ (935)	$ 75,818	$ 75,371	$ 9,202	$ 9,133	$ (84,282)	$ (104,923)	$ (4,059)	$ (16,894)	$ (16,894)
Balance (in shares)	18,566,899			8,087,000						18,566,000	18,511,000