CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (USD $)	Total USD ($)	Common Shares	Equity Units	Amount USD ($)	Contributed Surplus USD ($)	Common Shares and Equity Units Held by Affiliates USD ($)	Stock Options USD ($)	Accumulated Deficit USD ($)	Accumulated Other Comprehensive income USD ($)	KSOP Debt USD ($)
Balance at Dec. 31, 2008				$ 241,803,241	$ 5,171,603	$ (636,267)	$ 13,863,555	$ (146,904,650)	$ 499,455	$ (110,691)
Balance (in shares) at Dec. 31, 2008		57,119,055	500,236
Net loss								(100,029,813)
Other comprehensive loss	(776,680)								(776,680)
Stock option compensation							590,180
Fair value of options exercised				4,846			(4,846)
Common shares issued for:
Cash				7,088
Cash (in shares)		24,442
Services				392,025
Services (in shares)		551,500
Balance at Dec. 31, 2009				242,207,200	5,171,603	(636,267)	14,448,889	(246,934,463)	(277,225)	(110,691)
Balance (in shares) at Dec. 31, 2009		57,694,997	500,236
Net loss								(21,637,130)
Other comprehensive loss	1,495,140								1,495,140
Stock option compensation							99,532
Fair value of options exercised				29,851			(29,851)
Common shares issued for:
Cash				43,661
Cash (in shares)		150,554
Services				1,503,566
Services (in shares)		924,300
Decrease in shares held by affiliates				(201,820)		636,267
Balance at Dec. 31, 2010				243,582,458	5,171,603		14,518,570	(268,571,593)	1,217,915	(110,691)
Balance (in shares) at Dec. 31, 2010		58,769,851	500,236
Net loss								(23,612,393)
Other comprehensive loss	(1,176,173)								(1,176,173)
Stock option compensation							2,723,577
Fair value of options exercised				98,869			(98,869)
Common shares issued for:
Cash				15,778
Cash (in shares)		95,921
Services				326,160
Services (in shares)		178,200
KSOP allocation										110,691
Balance at Dec. 31, 2011				$ 244,023,265	$ 5,171,603		$ 17,143,278	$ (292,183,986)	$ 41,742
Balance (in shares) at Dec. 31, 2011		59,043,972	500,236