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Income Taxes - Reconciliation of Statutory and Income Tax Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |
Income tax (expense) benefit computed at the statutory federal rate: | $ (8,640) | $ 4,499
Return to provision adjustments | (2) | (20)
Depletion in excess of tax basis | 190 | 176
State income taxes, net of federal tax benefit | (1,020) | 523
Permanent differences related to stock-based compensation and other | 3 | (55)
Federal valuation allowance | 623 | (570)
EOR credit benefit | 377 | 336
Other | (44) | 95
Income tax (expense) benefit | $ (8,513) | $ 4,984
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |
Income tax (expense) benefit computed at the statutory federal rate: | 21.00% | 21.00%
Return to provision adjustments |  | (0.10%)
Depletion in excess of tax basis | (0.50%) | 0.80%
State income taxes, net of federal tax benefit | 2.50% | 2.40%
Permanent differences related to stock-based compensation and other |  | (0.30%)
Federal valuation allowance | (1.50%) | (2.70%)
EOR credit benefit | (0.90%) | 1.60%
Other | 0.10% | 0.60%
Income tax (expense) benefit | 20.70% | 23.30%

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