v3.26.3
Note 10 - Income Taxes - Income Tax Reconciliation (Details) - USD ($)
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Federal income tax expense at the statutory rate $ 1,999,092 $ 1,465,405
Federal income tax expense at the statutory rate, percentage 21.00%  
State and local income taxes, net of Federal income tax effect $ 281,123 348,906
State and local income taxes, net of Federal income tax effect, percentage 3.00%  
Foreign tax effects $ 0  
Foreign tax effects, percentage 0.00%  
Effect of changes in tax laws or rates enacted in the current period $ 0  
Effect of changes in tax laws or rates enacted in the current period, percentage 0.00%  
Effect of cross-border tax laws $ 0  
Effect of cross-border tax laws, percentage 0.00%  
Tax credits $ (357,130) (1,109,000)
Tax credits, percentage (3.80%)  
Change in valuation allowance $ 0  
Change in valuation allowance, percentage 0.00%  
Non-deductible officer compensation $ 148,143 160,688
Non-deductible officer compensation, percentage 1.60%  
Other, net $ 11,154  
Other, net, percentage 0.10%  
Change in unrecognized tax benefits $ 0  
Change in unrecognized tax benefits, percentage 0.00%  
Deferred tax liability adjustment $ 106,595 (1,030,102)
Deferred tax liability adjustment, percentage 1.10%  
Other, net $ (238,978) 279,256
Other, net, percentage (2.50%)  
Total Provision $ 1,949,999 675,850
Income tax provision (benefit), percentage 20.48%  
Officer life insurance   46,249
Unrealized gain/loss   (19,923)
Meals and entertainment   6,329
Stock expenses   18,933
NOL expiry   509,109
Other permanent differences $ (238,978) $ 279,256