Income Taxes - Reconciliation of Statutory and Income Tax Expense (Details) - USD ($)	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax provision (benefit) computed at the statutory federal rate:	$ (4,498,661)	$ 788,776
Return to provision adjustments	20,036	(2,823,527)
Depletion in excess of tax basis	(175,840)	(412,215)
State income taxes, net of federal tax benefit	(523,436)	272,962
Permanent differences related to stock-based compensation and other	55,278	22,408
Federal valuation allowance	570,064	0
EOR credit benefit	(335,717)	0
Other	(95,985)	(29,400)
Income tax provision (benefit)	$ (4,984,261)	$ (2,180,996)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Income tax provision (benefit) computed at the statutory federal rate:	21.00%	21.00%
Return to provision adjustments	(0.10%)	(75.20%)
Depletion in excess of tax basis	0.80%	(11.00%)
State income taxes, net of federal tax benefit	2.40%	7.30%
Permanent differences related to stock-based compensation and other	(0.30%)	0.60%
Federal valuation allowance	(2.70%)	0.00%
EOR credit benefit	1.60%	0.00%
Other	0.60%	(0.80%)
Income tax provision (benefit)	23.30%	(58.10%)

Effective Income Tax Rate Reconciliation at Federal Changes In Valuation Allowance 382 NOL, Amount

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Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense (Benefit)

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to depletion.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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