Long-Term Debt and Capital Lease Obligations (Long-Term Debt Obligations) (Details)					9 Months Ended
	Aug. 31, 2015 USD ($) shares	Jul. 31, 2015 USD ($) a	May. 12, 2015 USD ($) payment	Mar. 06, 2015 USD ($)	Sep. 30, 2015 USD ($) payment	Mar. 10, 2015 USD ($)	Dec. 31, 2014 USD ($)
Debt Instrument [Line Items]
Capital lease obligations					$ 15,816,568		$ 11,598,483
Capital lease obligations						$ 175,015
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, borrowing capacity				$ 8,000,000
Amounts borrowed on facility				5,000,000
Proceeds from lines of credit				4,400,000
Prepaid interest and fees				$ 600,000
Number of cash payments | payment					25
Periodic installments amount					$ 200,000
Total principal payment and interest					5,000,000
Revolving credit facility, interest rate (as a percent)				9.50%
Covenant compliance, minimum required liquidity amount				$ 1,000,000
Covenant compliance, percentage of dore value included in liquidity amount				90.00%
Additional future borrowing capacity					8,000,000
Note Payable (V&T)
Debt Instrument [Line Items]
Periodic installments amount		$ 250,000
Long term note		$ 1,000,000
Area of land purchased (in acres) | a		212
Capital lease obligations					1,000,000		0
Lease Obligation (Varilease) | Capital Lease Obligations
Debt Instrument [Line Items]
Number of cash payments | payment			24
Capital lease obligations			$ 5,000,000		3,925,167		$ 0
Monthly payment amount			228,820
Proceeds from sale leaseback			$ 5,000,000
Additional Land and Buildings
Debt Instrument [Line Items]
Long term note	$ 1,800,000
Note payable					$ 900,000
Common Stock | Additional Land and Buildings
Debt Instrument [Line Items]
Stock issued during period for purchase of assets (in shares) | shares	1,538,462