v3.26.1
Note 17 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
   

For the years ended

December 31,

 
   

2025

   

2024

 

United States

  $ (33,222

)

  $ (8,750

)

International

           
    $ (33,222

)

  $ (8,750

)

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

For the years ended

December 31,

 
   

2025

   

2024

 

Current

               

Federal

  $     $  

State

           

Foreign

           

Other

           

Total current tax expense

  $     $  
                 
                 

Deferred

               

Federal

           

State

           

Foreign

           

Other

           

Total deferred tax expense

  $     $  
                 

Income tax provision

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

For the years ended

December 31,

 
   

2025

   

2024

 

Deferred tax assets:

               

Net operating losses

  $ 647     $ 40,689  

Stock options

    474       573  

Operating lease liabilities

    213       245  

Property and equipment

    23       18  

Accruals

    248       311  

Research and development credits

          641  

Other deferred tax assets

    6       6  

Total deferred tax assets

    1,611       42,483  
                 

Deferred tax liabilities:

               

Operating lease right-of-use assets

    (213 )     (245 )

Total deferred tax liabilities

    (213 )     (245 )
                 

Valuation allowance

    (1,398 )     (42,238 )

Net deferred taxes

  $     $  
Summary of Operating Loss Carryforwards and Tax Credit Carryforwards [Table Text Block]
         

Expiration

   

Amount

 

Years

Net operating losses, federal

  $ 2,955  

Does Not Expire

Net operating losses, state

  $ 348  

Beginning in 2045

Tax credits, federal

  $    

Tax credits, state

  $    
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
   

For the years ended

December 31,

 
    2025     2024  

Unrecognized benefit - beginning of period

  $ 974     $ 974  

Change during the period

    (974 )      

Unrecognized benefit - end of period

  $     $ 974  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

US Federal Statutory Tax Rate

  $ (6,977 )     21.0 %

State and Local income taxes, net of federal income tax effect

          %

Change in valuation allowance

    (32,214 )     97 %

Limitation of net operating losses and credits due to ownership change

    33,887       (102.0 %)
Nontaxable or non-deductible items:                
Warrant/equity expenses     5,142       (15.5 %)

Other

    162       (0.5 %)

Total

  $       %

Statutory rate

    21.0 %

State tax

    3.4 %

Stock-based compensation expense

    (1.0 %)

Change in valuation allowance

    (18.3

%)

Warrant/equity expenses

    (3.3 %)

Expiration of tax attributes

    (1.8

%)

Total

    0.0 %
Schedule of Income Tax Paid, Net of Refunds [Table Text Block]

California

  $ 3  

New Jersey

    3  

South Carolina

    2  

New York

    1  

Other

    1  

Total

  $ 10