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Other Assets (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Jun. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Royalty rights | $ 108,512 | $ 108,512
Less: Accumulated amortization of royalty rights | (67,820) | (61,037)
Investment in Well Lift Inc., at cost | 108,750 | 108,750
Deferred loan costs | 168,972 | 168,972
Less: Accumulated amortization of deferred loan costs | (164,661) | (157,084)
Right of use asset under operating lease | 161,125 | 161,125
Less: Accumulated amortization of right of use asset | (66,784) | (43,932)
Net operating loss carryback | 110,942 | 0
Software license | 20,662 | 20,662
Less: Accumulated amortization of software license | (17,794) | (14,350)
Other assets, net | $ 361,904 | $ 291,618
Well Lift Inc. |  |
Noncontrolling Interest [Line Items] |  |
Royalty percentage | 5.00% |
Ownership percentage | 17.50% |

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