Accrued Liabilities (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Accrued Liabilities, Current [Abstract]
Taxes other than income	$ 2,082,690	$ 3,043,583
Vacation	93,845us-gaap_AccruedVacationCurrent	83,189us-gaap_AccruedVacationCurrent
Employee benefits	123,171us-gaap_AccruedEmployeeBenefitsCurrent	161,440us-gaap_AccruedEmployeeBenefitsCurrent
Interest	200,502us-gaap_AccruedIncomeTaxesCurrent	169,581us-gaap_AccruedIncomeTaxesCurrent
Deferred payments received from levelized billing	2,360,455us-gaap_OtherAccruedLiabilitiesCurrent	2,293,801us-gaap_OtherAccruedLiabilitiesCurrent
Accrued liabilities	$ 4,860,663us-gaap_AccruedLiabilitiesCurrent	$ 5,751,594us-gaap_AccruedLiabilitiesCurrent

Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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