CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 53,561	$ 48,649
Investments (Note 4)	417
Trade receivables	1,199
Inventories (Note 6)	5,170	5,312
Value added tax receivable (Note 7)	3,033	1,317
Prepaid expenses and other assets (Note 5)	1,177	3,119
Total current assets	64,557	58,397
Property, plant and equipment, net (Note 8)	282,031	284,199
Goodwill (Note 9)	12,942	70,155
Prepaid expenses and other assets (Note 5)	197	264
Total assets	359,727	413,015
Current liabilities
Accounts payable and other accrued liabilities (Note 10)	6,034	8,070
Other current liabilities (Note 12)	7,512	7,505
Total current liabilities	13,546	15,575
Asset retirement obligation (Note 11)	2,226	3,781
Deferred tax liability (Note 14)	49,226	55,603
Other long term liabilities (Note 12)	217	288
Total liabilities	65,215	75,247
Commitments and contingencies (Note 18)
Equity (Note 15)
Common stock, $.01 par value, 100,000,000 shares authorized; 42,578,333 and 35,690,035 shares issued and outstanding, respectively	424	355
Additional paid in capital	491,411	453,756
Accumulated deficit	(197,308)	(116,221)
Accumulated other comprehensive loss	(15)	(122)
Parent company's shareholder's equity	294,512	337,768
Total liabilities and equity	$ 359,727	$ 413,015