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Note 10 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
Jun. 30, 2023
Jun. 30, 2022
NOL carryover $ 9,539,700 $ 11,506,800
Capital loss carryover 38,600 0
Allowance for bad debts 44,200 53,600
Accrued expenses 199,000 182,400
Operating lease ROU 1,000 0
Depreciation (247,500) (653,900)
Amortization (932,100) (809,800)
Valuation allowance (8,642,900) (10,279,100)
Net deferred tax asset $ 0 $ 0