Note Payable - Future Principal Payment Requirements (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017	Jun. 24, 2016
Notes Payable [Abstract]
2018	$ 228,987
2019	472,600
2020	492,797
2021	513,857
2022	535,816
2023 and thereafter	17,755,943
Total principal payments	20,000,000
Less: Loan procurement costs, net	(561,377)		$ (646,246)
Total note payable, net	$ 19,438,623	$ 19,417,405

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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