Changes in Operations (Details 4) (USD $)	12 Months Ended	3 Months Ended
	Dec. 31, 2009	Sep. 30, 2009 Bolivia
Gain on sale of investment	$ (294,000)	$ 400,000
Proceeds from sale of investment		3,900,000
Net book value of investment		3,400,000
Direct costs of sale of investment		$ 100,000