v3.26.3
Note 9 - Income Taxes - Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 01, 2017
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest   $ 3,424 $ (5,673) $ (765)
Income Tax Expense (Benefit)   0 117 0
Income Tax Jurisdiction, Foreign [Member]        
Utilized the unrecognized net losses in prior years   (36) 0 0
Inland Revenue, Hong Kong [Member]        
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest   $ 5,172 $ (3,154) $ (759)
Federal statutory tax rate   8.25% 16.50% 16.50%
Income tax at federal statutory tax rate   $ 36 $ 0 $ 0
Tax effect of prior-year tax filing difference   0 117 0
Income Tax Expense (Benefit)   0 117 0
Inland Revenue, Hong Kong [Member] | Income Tax Jurisdiction, Foreign [Member]        
Federal statutory tax rate 16.50%      
Income Tax Expense (Benefit)   0 117 0
Internal Revenue Service (IRS) [Member]        
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest   $ 120 $ (305) $ (6)
Federal statutory tax rate   21.00% 21.00% 21.00%
Income tax at federal statutory tax rate   $ 25 $ 0 $ 0
Utilized the unrecognized net losses in prior years   (25) 0 0
Income Tax Expense (Benefit)   $ 0 $ 0 $ 0