v3.26.1
Note 11 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
   

2025

   

2024

 

U.S.

  $ (363,791 )   $ 779,605  

Foreign

    (240,466 )     (57,062 )
    $ (604,257 )   $ 722,543  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   

2025

   

2024

 

Current:

               

Federal

  $ -     $ -  

State

    -       456  

Foreign

    (201,735 )     115,599  

Total current

    (201,735 )     116,055  
                 

Deferred:

               

Federal

    -       -  

State

    -       -  

Foreign

    (34,279 )     (157,104 )

Total deferred

    (34,279 )     (157,104 )

Income tax (benefit) provision

  $ (236,014 )   $ (41,049 )
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   

December 31, 2025

Amount

   

As a % of net income before taxes

 
                 

Net income (loss) before taxes

  $ (604,257 )        

U.S. federal statutory tax rate

    (126,894 )     21.00 %

State and local income taxes, net of federal income tax effect*

    484       (0.08 )%

Foreign tax effects

               

Canada

               

Foreign rate differential

    (7,907 )     1.31 %

Prior period adjustments

    52,445       (8.68 )%

Other

    6,070       (1.00 )%

Effect of cross-border tax laws

               

Global intangible low-taxed income

    319,475       (52.87 )%

Changes in valuation allowances

    (566,589 )     93.77 %

Non-taxable or non-deductible items

               

Section 162(m) disallowance

    43,302       (7.17 )%

Stock compensation

    (49,400 )     8.18 %

Changes in unrecognized tax benefits

    (255,839 )     42.34 %

Other

               

Attributes expirations

    304,229       (50.35 )%

Prior period adjustments

    26,726       (4.42 )%

Other

    17,886       (2.96 )%

Effective income tax rate

  $ (236,014 )     39.06 %
   

2024

   

2023

 

U.S. federal statutory tax rate

    21.00

%

    21.00

%

State tax benefit, net

    (0.09

)%

    7.73

%

Stock compensation

    9.68

%

    1.00

%

Foreign rate differential

    1.55 %     (0.42 )%

Attributes expiration

    (59.61

)%

    36.01

%

Returns to Provision

    (15.51

)%

    0.07

%

Other

    (0.96

)%

    2.97

%

NOL Adjustment

    -

%

    (10.90

)%

Unrecognized tax benefit

    50.13

%

    3.82

%

GILTI

    (62.60

)%

    44.93

%

Section 162(m) disallowance

    (8.48 )%     -

%

Valuation allowance

    111.01

%

    (111.90

)%

Effective income tax rate

    46.12

%

    (5.69

)%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
   

2025

   

2024

 

Deferred taxes:

               

NOLs

  $ 5,979,666     $ 6,487,219  

Inventory and other reserves

    7,844       31,340  

Stock based compensation expense

    200,264       272,285  

Accruals

    24,239       18,207  

Other

    96       96  

Total deferred tax assets

    6,212,109       6,809,147  

Depreciation and amortization

    (442,263 )     (484,941 )

Right-of-use assets

    -       -  

Valuation allowance

    (6,177,747 )     (6,744,334 )

Net deferred tax liabilities

  $ (407,901 )   $ (420,128 )
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
   

2025

   

2024

 

Gross unrecognized tax benefits at the beginning of the year

  $ 691,481     $ 707,632  

Increases related to current year positions

    -       -  

Increases (decreases) related to prior year positions

    34,720       (2,116 )

Expiration of unrecognized tax benefits

    (176,578 )     (14,035 )

Gross unrecognized tax benefits at the end of the year

  $ 549,623     $ 691,481