Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Income Tax Expense (Details)

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INCOME TAXES - Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Effective Income Tax Rate Reconciliation, Amount [Abstract]    
Income tax benefit at statutory US federal rate $ 10,875 $ 8,622
Income tax benefit attributable to US states 3,468 3,151
Impact of reduction in Colorado tax rate (78) 0
Non-taxable derivative gains   1,379
Non-deductible expenses (442) (527)
Stock option expirations (921) (332)
Other (399) 25
Change in valuation allowance (12,503) (12,318)
Total income tax expense $ 0 $ 0