v3.26.3
Note 7 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest $ (2,563) $ 2,062
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate (Benefit), Percent 21.00% 21.00%
Income Tax Examination, Penalties and Interest Accrued   $ 0
Tax Jurisdiction of Domicile [Extensible Enumeration] Income Tax Jurisdiction, Domestic Federal [Member] Income Tax Jurisdiction, Domestic Federal [Member]
Liability for Uncertainty in Income Taxes, Current $ 0 $ 0
Capital Loss Carryforward [Member]    
Tax Credit Carryforward, Amount 1,191  
Tax Year 2028 [Member] | Capital Loss Carryforward [Member]    
Tax Credit Carryforward, Amount 920  
Tax Year 2027 [Member] | Capital Loss Carryforward [Member]    
Tax Credit Carryforward, Amount 270  
Income Tax Jurisdiction, Domestic Federal [Member]    
Operating Loss Carryforwards 21,626 19,249
Operating Loss Carryforwards Not Subject to Expiration 2,450  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ 1,000 830
Open Tax Year 2023 2024 2025  
Income Tax Jurisdiction, Domestic Federal [Member] | Tax Year 2028 [Member]    
Operating Loss Carryforwards $ 19,176  
Income Tax Jurisdiction, Domestic State and Local [Member]    
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   (347)
Open Tax Year 2022 2023 2024 2025  
Income Tax Jurisdiction, Domestic State and Local [Member] | New Jersey Division of Taxation [Member]    
Operating Loss Carryforwards $ 3,877 $ 4,005