Stockholders' Equity (Details) (USD $)	0 Months Ended	1 Months Ended
	Jul. 06, 2011	Oct. 21, 2008	Jun. 30, 2007
Stockholders' Equity [Line Items]
Warrants issued	795,000	800,000
Exercise price of warrant	$ 15.80	$ 0.10
Minimum percentage ownership in joint venture to double share issuance			90.00%
Maximum ownership percentage to be issued to related party			20.00%
Fair value of warrants issued	$ 11,614,000	$ 8,600,000
Useful life of bonds		25 years
Tyson Foods, Inc [Member]
Stockholders' Equity [Line Items]
Number of tranches			3
Bond collateral		100,000,000
Tyson Foods, Inc [Member] | First Tranche [Member]
Stockholders' Equity [Line Items]
Warrants issued			425,000
Warrant exercise price calculation period			10 days
Tyson Foods, Inc [Member] | Second Tranche [Member]
Stockholders' Equity [Line Items]
Warrants issued			250,000
Minimum percentage ownership of joint venture for issuance of warrants			10.00%
Exercise price of warrant			$ 28.70
Warrant exercise price calculation period			10 days
Tyson Foods, Inc [Member] | Third Tranche [Member]
Stockholders' Equity [Line Items]
Warrants issued			150,000
Minimum percentage ownership of joint venture for issuance of warrants			10.00%
Warrant exercise price calculation period			10 days
Percentage project costs debt financed, resulting in cancellation of vesting			25.00%
Dynamic Fuels, LLC [Member]
Stockholders' Equity [Line Items]
Tax exempt bonds issued		100,000,000
Required collateral, letter of credit		$ 100,000,000