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

Year ended

  

Year ended

 
  

December 31,

  

December 31,

 
  

2025

  

2024

 
         

United States

 $(6,179,476) $(2,767,752)

Hong Kong

  (74,045)  (222,901)

Nigeria

  (164,518)  (223,426)

Spain

  (723,407)  (1,109,611)
Portugal  -   - 

Total

 $(7,141,446) $(4,323,690

)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Year ended

  

Year ended

 
  

December 31,

  

December 31,

 
  

2025

  

2024

 
Current        

Federal and States

 $-  $- 

Foreign:

        
   Subtotal  -  $- 

Deferred:

        

Federal and States

        
         

Foreign

  16,500   (22,998)

   Subtotal

  16,500   (22,998)
         

Provision for income tax expense (benefit)

 $16,500  $(22,998)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

December 31,

   

December 31,

 
  

2025

   

2024

 
          

Accrued compensation

 $140,490   $154,457 

Allowance for credit losses

  20,626    20,513 

Research and development expenses

  724,038    1,261,601 

Capital loss carry forward

  114,885    114,251 

Right-of-use operating lease assets

  (5,979)   (16,346)

Operating lease liabilities

  -    16,406 

Stock-based compensation

  54,258    34,299 

Equipment and leasehold improvements

  (1,951)   (6,268)
Impairment of investment  712,500    - 

Intangible assets - Foreign

  (89,000)   - 

Allowance for credit losses - Foreign

  72,500    - 

Inventory reserve

  589,271    781,213 

Other

  1,006    1,000 

Tax credits

  1,116,119    1,554,541 

Net operating loss and research and credit carryforwards

  

11,686,140

    11,824,622 

Valuation allowance

  (15,083,017)   (15,740,289)
          

Net deferred tax liability

 $-   $- 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Year ended

 
  

December 31,

 
  

2025

 
         

Federal statutory income tax rate

 $(1,673,013)  21%

State taxes, net of federal benefit

  -   - 

Permanent differences

        
   Amortization of intangible assets  33,242   (0.7)
   Restricted Stock units  26,334   (0.6)
   Others  2,918   (0.1)

Expiration of net operating loss and research credit carryforwards

  1,848,627   (40.5)
         

Foreign rate differential - all

  187,823   (4.1) 
         

True ups and other

  175,955   (3.9)

Valuation allowance

  (585,386)  28.5 
   -     

Effective tax rate

 $16,500   (0.4)%
  

Year ended

 
  

December 31,

 
  

2024

 
     

Federal statutory income tax rate

  21%

State taxes, net of federal benefit

  0.82 

Permanent differences

  (1.84)

Expiration of net operating loss and research credit carryforwards

  (46.14)

Foreign rate differential

  (7.23)

Rate change

  (0.41)

Other

  0.14 

Valuation allowance

  33.98 
     

Effective tax rate

  0.32%