Supplemental Cash Flow Information	12 Months Ended
Supplemental Cash Flow Information	Dec. 31, 2011
Supplemental Cash Flow Information [Abstract]
Supplemental Cash Flow Information	SUPPLEMENTAL CASH FLOW INFORMATION During 2011 and 2010, $3.6 million and $1.0 million was paid for income taxes, respectively. Cash paid for interest was $6.5 million in 2011 and $7.1 million during 2010. In February 2010, the Company recognized a non-cash $4.9 million liability and an offsetting $4.9 million asset related to delivery of a 10 megawatt power plant upon successful commissioning at Bogoso.

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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