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Income Taxes (Effective Income Tax Rate Reconciliation) (Details) - USD ($)
12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Income Taxes [Abstract]    
Federal income tax (benefit) liability at statutory rate $ (214,457) $ 1,803,000
State income tax liability, net of federal income tax effect (41,386) 323,565
Utilization of net operating loss carryforwards   (1,720,747)
Increase (decrease) in valuation allowance 270,679 (44,841)
Stock option (deduction) (243) (24,218)
All other permanent items (45,299) (41,701)
R&D credit (25,459) (19,340)
Return-to-provision (81,738) (54,414)
Deferred adjustment related to payroll tax withholding on disqualifying disposition of incentive stock options 110,906  
State tax rate change (55,248) 83,094
Uncertain tax position 2,593 25,269
Other 6,048 (12,290)
Total income tax (benefit) provision $ (73,604) $ 317,377