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Senior Secured Credit Agreement (Details) - Line of Credit - Senior Secured Reserve-Based Credit Facility - Revolving Credit Facility	Apr. 11, 2016 USD ($)	Jun. 30, 2020 USD ($)	Apr. 27, 2020 USD ($)
Debt Instrument [Line Items]
Term of debt instrument	3 years
Maximum borrowing capacity	$ 50,000,000	$ 8,000,000	$ 27,000,000
Long-term debt outstanding		0
Commitment fee percentage	0.25%
Maximum total leverage ratio (not more than)	3
Debt service coverage ratio (not less than)	1.10
Minimum consolidated tangible net worth	$ 50,000,000
Debt issuance costs	$ 168,972
Unamortized debt issuance costs		$ 11,888
LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%

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- Definition

Debt Covenant, Maximum Total Leverage Ratio

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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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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