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Other Assets (Tables) | 3 Months Ended
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Sep. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of other assets |
| September 30, 2020 |  | June 30, 2020
Royalty rights | $ | 108,512 |  |  | $ | 108,512 |
Less: Accumulated amortization of royalty rights | (64,429) |  |  | (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 | (160,872) |  |  | (157,084) |
Right of use asset under operating lease | 161,125 |  |  | 161,125 |
Less: Accumulated amortization of right of use asset | (55,273) |  |  | (43,932) |
Net operating loss carryback (Note 11 – Income Taxes) | 512,042 |  |  | — |
Software license | 20,662 |  |  | 20,662 |
Less: Accumulated amortization of software license | (16,072) |  |  | (14,350) |
Other assets, net | $ | 783,417 |  |  | $ | 291,618 |

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