Contingencies and litigation against an individual (Details) (USD $)	Jun. 30, 2012	Feb. 14, 2012	Mar. 31, 2011	Dec. 31, 2009	Jan. 31, 2006
Acutal damages found by jury				$ 66.5
Actual damages in tortous interference claim				31.16
Exemplary damages and individual and Eurenergy				8.5
reinstated the jury award of actual damages jointly and severely against The individual and EurEnergy		66.5
received an invoice from Chesapeake					556,217
Chesapeake received a summary judgment award			686,874
Recorded a liability due Chesapeake	$ 491,000