Annual report pursuant to Section 13 and 15(d)

Note 15 - Income Taxes (Tables)

v3.24.0.1
Note 15 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
   

Years Ended December 31,

 
   

2023

   

2022

 

Domestic

  $ (13,521 )   $ (13,749 )

Foreign

    (1,677 )     (1,331 )

Loss before income taxes

  $ (15,198 )   $ (15,080 )
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   

Years Ended December 31,

 
   

2023

   

2022

 

Federal tax at statutory rate

    21.0 %     21.0 %

State tax, net of federal tax effect

           

R&D credit

    1.1       0.7  

Change in valuation allowance

    (12.5 )     (15.1 )

Unrealized gain on warrant

    (0.2 )     1.8  

Stock-based compensation

    (1.7 )     (7.7 )

Other

    (0.7 )     (1.8 )

Foreign

    (7.0 )     1.1  

Total tax expense (benefit)

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

December 31,

 
   

2023

   

2022

 

Deferred tax assets:

               

Depreciation and other

  $ 136     $ 249  

Net operating loss carryforwards

    52,448       48,829  

Research and development tax credits

    2,219       2,034  

Accruals and reserves

    311       356  

Capitalized research and development costs

    1,422       640  

Deferred revenue

    220       213  

Stock compensation expense

    1,493       1,670  

Lease assets

    178       236  

Other

    50       22  
                 

Deferred tax liabilities:

               

Lease liabilities

    (152 )     (208 )

Prepaid expenses

    (56 )     (41 )

Less: Valuation allowance

    (58,269 )     (54,000 )

Net deferred tax asset (liability)

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

Years Ended December 31,

 
   

2023

   

2022

 

Beginning balances as of January 1, 2023 and 2022

  $ 716     $ 668  

Increase of unrecognized tax benefits taken in prior years

    9        

Increase of unrecognized tax benefits related to current year

    1,169       48  

Ending balances as of December 31, 2023 and 2022

  $ 1,894     $ 716