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Income Taxes
12 Months Ended
Jun. 30, 2025
Income Taxes  
Income Taxes [Text Block]

Note 8. Income Taxes

The income tax (benefit) provision is as follows for the year ended June 30, 2025 and June 30,2024:

    Current     Deferred     Total  
2025:                  
U.S. federal $ -   $ -   $ -  
State and local   12,161     -     12,161  
  $ 12,161   $ -   $ 12,161  
2024:                  
U.S. federal $ -   $ -   $ -  
State and local   -     -     -  
  $ -   $ -   $ -  

The components of the Company's income tax benefit (provision) are as follows for the years ended June 30:

    2025     2024  
Expected tax benefit $ 2,289,444   $ 566,521  
State taxes, net of federal tax benefit   404,341     97,884  
Valuation allowance   (802,322 )   (664,480 )
Impairment   (1,758,432 )   -  
Incentive stock options   -     1,657  
Other, net   (145,192 )   (1,582 )
  $ (12,161 ) $ -  

  The Company's deferred income tax assets and (liabilities) related to the tax effects of temporary differences are as follows as of June 30:

    2025     2024  
Net deferred income tax assets (liabilities):            
Inventory capitalization for income tax purposes $ 21,864   $ 28,642  
Inventory reserve   136,671     145,227  
Accrued employee benefit reserve   31,067     40,164  
Warranty reserve   26,108     29,720  
Interest expense limitation   441,908     339,509  
Allowance for credit losses and other   47,931     35,918  
Property and equipment, principally due to differences in depreciation   (144,592 )   (13,672 )
Intangible assets   400,613     121,697  
Research and development credit carryover   574,022     574,022  
Deferred gain on sale lease-back   154,891     191,436  
Operating loss carry forwards   5,993,596     5,388,117  
Valuation allowance   (7,686,550 )   (6,884,228 )
Capitalized research and development   2,471     3,448  
Total deferred income tax assets (liabilities) $ -   $ -  

Quarterly, the Company assesses the likelihood by jurisdiction that its net deferred income tax assets will be recovered. Based on the weight of all available evidence, both positive and negative, the Company records a valuation allowance against deferred income tax assets when it is more-likely-than-not that a future tax benefit will not be realized. When there is a change in judgment concerning the recovery of deferred income tax assets in future periods, a valuation allowance is recorded into earnings during the quarter in which the change in judgment occurred. As of June 30, 2025 and 2024, the Company has established a full valuation allowance.

As of June 30, 2025, the Company had federal and state operating loss carryforwards of approximately $24.7 million and $12.6 million, respectively. The federal net operating loss carryforwards have carryforward periods that are indefinite or begin to expire in 2037. The state net operating loss carryforwards have carryforward periods that are indefinite or have various expirations. The Company has no uncertain tax positions as of June 30, 2025.