v3.25.4
Note 9 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
        Years Ended December 31,  
   

2025

   

2024

 

United States

  $ 1,178     $ (26,313 )

Foreign

    (46,483 )     (12,250 )

Total

  $ (45,305 )   $ (38,563 )
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   

Years Ended December 31,

 

Current

 

2025

   

2024

 

Federal

  $ 153     $ (49 )

Foreign

    77       17  

Total

    230       (32 )

Deferred

               

Federal

    5       -  

Total

    5       -  
                 

Total income tax expense (benefit)

  $ 235     $ (32 )
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   

Amount

(in thousands)

   

Percentage

 

Tax expense at statutory rate

  $ (6,796 )     15.00 %

State and local income taxes, net of federal benefit of state

    -       0.00 %

Section 162(m) Executive Compensation

    4,368       -9.64 %

Tax rate differential

    1,819       -4.02 %

R&D Credit

    (1,294 )     2.86 %

Foreign deferred provision - Deferred true-ups

    520       -1.15 %

Foreign deferred provision - Valuation Allowance

    (5,789 )     12.78 %

Other

    75       -0.16 %

Total US

    (301 )     0.67 %
                 

Federal Law Changes

    -       0.00 %

Total Effect of Cross-Border Tax Laws

    727       -1.60 %

Tax Credits (Federal)

    -       0.00 %

Valuation Allowance (Federal)

    7,297       -16.11 %
                 

Deduction for Foreign Affiliate Property Income (FAPI)

    (611 )     1.35 %

FX Loss

    (500 )     1.10 %

Other

    59       -0.13 %

Non-Deductible or Non-Taxable Items

    (1,052 )     2.32 %

Unrecognized Tax Benefits

    360       -0.79 %

Other Adjustments

    -       0.00 %

Total

  $ 235       -0.52 %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
   

2025

   

2024

 

Net operating loss carryforwards

  $ 15,184     $ 2,799  

Research and other credits

    10,350       9,150  

Stock based compensation

    1,784       1,760  

Capitalized research expenses

    6,404       12,654  

Accrued liabilities

    347       414  

Deferred tax assets before valuation allowance

    34,069       26,777  

Valuation allowance

    (33,891 )     (26,382 )

Deferred tax assets

    178       395  
                 

Depreciation

    112       323  

Prepaid assets

    71       72  

Deferred tax liability

    183       395  

Net deferred tax asset (liability)

  $ (5 )   $ -  
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
   

Years Ended December 31,

 
   

2025

   

2024

 

Balance as of January 1

  $ 3,434     $ 2,973  

Additions based on tax positions related to the current year

    329       660  

Additions for tax positions of prior years

    6       106  

Reductions for tax positions of prior years

    (1 )     -  

Reductions related to settlements

    -       (305 )

Reductions from lapse of statute of limitations

    (52 )     -  

Balance at December 31

  $ 3,716     $ 3,434  
Schedule of Income Taxes Paid [Table Text Block]

Income Tax Paid (Refunded)

 

Years Ended December 31, 

 
   

2025

   

2024

 

Texas

  $ 2     $ 2  

Canada

    (83 )     85  

Total

  $ (81 )   $ 87