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Note 1 - Business Activity and Summary of Significant Accounting Policies - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Jun. 30, 2025
Inventory reserve $ 395 $ 395
Accumulated depreciation (2) (3)
Accumulated goodwill amortization 56 57
Accumulated intangible amortization 120 121
ROU Asset (288) (304)
ROU Liability 306 321
Warranty reserve 10 10
Stock compensation 68 68
Net operating loss carryforward 853 997
Tax credits 0 86
Allowance for doubtful accounts 66 66
Net 1,584 1,814
Valuation allowance (1,584) (1,814)
Total $ 0 $ 0