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Note 20 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Jun. 30, 2021
--- | --- | ---
Net operating losses and credits | $ 789 | $ 782
Inventory valuation | 125 | 144
Provision for bad debts | 223 | 0
Accrued vacation | 8 | 12
Accrued expense | 265 | 134
Fixed asset basis | 4 | 3
Investment | 77 | 77
Unrealized gain | 0 | 4
Other | (106) |
Other |  | 12
Total deferred tax assets | 1,385 | 1,168
Depreciation | (371) | (329)
Other | (3) | 0
Total deferred income tax liabilities | (374) | (329)
Subtotal | 1,011 | 839
Valuation allowance | (842) | (622)
Net deferred tax assets | 169 | 217
Deferred tax assets | $ 169 | $ 217

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