Investments in Mesquite Rollforward (Details) (USD $)	2 Months Ended				12 Months Ended
	Feb. 29, 2012		Feb. 28, 2011		Feb. 28, 2013		Feb. 29, 2012		Dec. 31, 2011
Equity Method Investment Rollforward [Roll Forward]
Equity in net loss of Mesquite	$ 0				$ (647,096)		$ (6,853,314)		$ (6,853,314)
Mesquite
Equity Method Investment Rollforward [Roll Forward]
Balance, beginning of period	5,602,222	[1]	8,222,222	[1]	5,602,222	[1]			8,222,222	[1]
Equity in net loss of Mesquite	0		0		(2,022,000)		(2,620,000)		(2,620,000)
Balance, end of period	$ 5,602,222	[1]			$ 3,580,222		$ 5,602,222	[1]	$ 5,602,222	[1]

[1] The period ended December 31, 2011 includes activity beginning August 1, 2011, the date of acquisition.