Annual report [Section 13 and 15(d), not S-K Item 405]

Note 16 - Income Taxes (Tables)

v3.26.1
Note 16 - 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 December 31,

 
   

2025

   

2024

 

US

  $ (22,644 )   $ (24,552 )

Foreign

           

Total

  $ (22,644 )   $ (24,552 )
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   

Year ended December 31,

 
   

2025

   

2024

 

Current

               

Federal

  $     $  

State

    2       3  
                 

Deferred

               

Federal

           

State

           

Total provision for income taxes

  $ 2     $ 3  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   

Year ended December 31,

 
   

2025

   

2024

 
   

Amount

   

Percent

   

Amount

   

Percent

 

U.S. federal statutory tax rate

  $ (4,739 )     21.00 %   $ (5,156 )     21.00 %

State and local income taxes, net of federal income tax effect(a)

    2       (0.01 )%     3       (0.01 )%

Tax credits

                               

Research and development tax credits

    (69 )     0.31 %     (85 )     0.35 %

Change in valuation allowance

    4,409       (19.54 )%     4,871       (19.84 )%

Nontaxable or nondeductible items:

                               

Equity compensation

    328       (1.45 )%     360       (1.47 )%

Other, net

    71       (0.32 )%     10       (0.04 )%

Changes in unrecognized tax benefits

          %           %

Effective income tax rate

    2       (0.01 )%     3       (0.01 )%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
   

As of December 31,

 
   

2025

   

2024

 

Deferred tax assets

               

Capitalized start-up costs

  $ 1,929     $ 2,233  

Credits

    646       577  

Fixed assets

    1,473       912  

Net operating losses

    46,451       40,380  

Others

    845       2,846  

Total gross deferred tax assets

    51,344       46,948  

Valuation allowance

    (51,337 )     (46,928 )

Total gross deferred tax assets (net of valuation allowance)

  $ 7     $ 20  
                 

Deferred tax liabilities

               

Patents

  $ (7 )   $ (20 )

Other

           

Total gross deferred tax liabilities

    (7 )     (20 )

Net deferred tax assets

  $     $  
Schedule of Income Taxes Paid [Table Text Block]
   

Year ended December 31,

 
   

2025

   

2024

 
                 

Federal

  $     $  

State

               

California

    2       3  

Foreign

           

Total

  $ 2     $ 3