CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2011	Dec. 31, 2010
Current Assets:
Cash and cash equivalents (Note 4)	$ 57,677,370	$ 58,186,478
Assets held for sale (Note 7)	450,000	7,968,813
Marketable securities (Note 5)	892,271	2,263,923
Deposits, advances and other	194,802	1,507,822
Total current assets	59,214,443	69,927,036
Property, plant and equipment, net (Note 7)	19,125,626	28,503,330
Total assets	78,340,069	98,430,366
Current Liabilities:
Accounts payable and accrued expenses	2,076,131	1,633,150
Accrued interest	234,545	234,550
Total current liabilities	2,310,676	1,867,700
Convertible notes (Note 13)	101,833,491	100,754,404
Total liabilities	104,144,167	102,622,104
SHAREHOLDERS’ EQUITY
Common shares and equity units	244,023,265	243,582,458
Contributed Surplus	5,171,603	5,171,603
Stock options (Note 9)	17,143,278	14,518,570
Accumulated deficit	(292,183,986)	(268,571,593)
Accumulated other comprehensive income	41,742	1,217,915
KSOP debt (Note 8)	0	(110,691)
Total shareholders’ deficit	(25,804,098)	(4,191,738)
Total liabilities and shareholders’ deficit	$ 78,340,069	$ 98,430,366