Commitments and Contingencies - Leases (Detail Textuals 2) (USD $)	12 Months Ended	1 Months Ended		0 Months Ended
	Dec. 31, 2012	Dec. 28, 2012 Power Purchase Agreement Sales leaseback transaction	Dec. 31, 2012 Power Purchase Agreement Sales leaseback transaction	Oct. 02, 2012 Power Purchase Agreement Supply Commitment Unit
Supply Commitment [Line Items]
Non-cancelable operating leases, expiry term	5 years
Non-cancelable operating leases, method used	straight-line basis
Term of agreement renewal				3 years
Number of units				255
2013	$ 658,470			$ 1,222,023
2014	463,652			1,324,488
2015	452,735			993,366
Leased back, term		6 years
Leased property under capital lease, net	2,969,799		2,969,799
Obligations under capital lease			$ 1,955,128