Revenue Recognition - Additional Information (Details) - USD ($)	Jun. 30, 2020	Jun. 30, 2019
Revenue from Contract with Customer [Abstract]
Receivables from oil and gas sales	$ 1,919,213	$ 3,168,116

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Period Type:	instant