Intangible Assets	12 Months Ended
Intangible Assets	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets Disclosure [Text Block]	INTANGIBLE ASSET Our intangible asset represents a right to receive, from the Ghana national grid, an amount of electric power equal to one fourth of this plant's power output over and above any rationing limit that might be imposed in the future by the Ghana national power authority. The intangible asset is being amortized over five years ending in 2014. As of December 31, 2011, the carrying value of the intangible asset was $5.3 million, with a gross asset value of $12.4 million and accumulated amortization of $7.1 million. We amortized $2.4 million in 2011 and expect the same for 2012 and 2013 with the remaining amount amortized in 2014.

The entire disclosure for all or part of the information related to intangible assets.