v3.26.1
Note 11 - 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

 

Domestic

 $(27,002) $(20,570)

Foreign

  35   (500)

(Loss) Income before (benefit) provision for income taxes

 $(26,967) $(21,070)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Year Ended December 31,

 
  

2025

  

2024

 

Current:

        

Federal

 $-  $- 

State

  35   (15)

Foreign

  -   - 

Total Current

  35   (15)
         

Deferred:

        

Federal

  -   - 

State

  -   - 

Total Deferred

  -   - 
         

Total provision/(benefit)

 $35  $(15)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Year Ended December 31,

 
  

2025

  

2024

 

U.S. Federal statutory income tax (benefit)

 $(5,663)  21.0% $(4,421)  21.0%

State and local income taxes, net of federal benefit1

  (491)  1.8%  (387)  1.8%

Foreign Tax Effects:

                

Foreign Rate Differential

  1   0.0%  (9)  0.0%

Foreign Non-Deductible Items

  (40)  0.1%  -   0.0%

Foreign NOL deferred adjustment

  245   -0.9%  -   0.0%

Change in valuation allowance

  3,947   -14.6%  2,835   -13.5%

Nontaxable / nondeductible items (permanent items)

                

Incentive Stock based compensation

  32   -0.1%  161   -0.8%

Changes in fair values - derivative & warrant liabilities

  1,265   -4.7%  901   -4.3%

Non-deductible Convertible Note interest and debt discount amortization

  938   -3.5%  644   -3.1%

Non-deductible issuance costs

  126   -0.5%  306   -1.5%

Other

  2   0.0%  41   -0.2%

Tax Credits

  (130)  0.5%  (178)  0.8%

Effects of deferred tax adjustments, net of federal benefits

  (186)  0.7%  81   -0.4%

Effects of change in state tax rate, net of federal benefits

  46   -0.2%  94   -0.4%

Other

  (57)  0.2%  (83)  0.4%
           -     

Income Tax Provision/(Benefit) and Effective Income Tax Rate

 $35   -0.1% $(15)  0.1%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

Year Ended December 31,

 
  

2025

  

2024

 

Deferred Tax Assets:

        

Net operating loss carry-forwards

 $10,217  $7,440 

Tax Credits Carryforwards

  673  $543 

Capitalized research

  1,696   1,319 

Stock based Compensation

  403   55 

Accruals and reserves

  297   502 

Inventory allowance

  710   687 

Debt Issuance Costs

  493   - 

Right-of-use Lease liability

  132   242 

Other

  3   3 

Gross deferred income tax assets

  14,624   10,791 

Less: Valuation allowance

  (14,429)  (10,483)

Net Deferred Income Tax Assets, net of valuation allowance

  195   308 

Deferred Tax Liabilities:

        

Right-of-use asset

  (129)  (223)

Depreciation and amortization

  (66)  (85)

Total Deferred Tax Liability

  (195)  (308)

Net Deferred Income Tax Assets, net of valuation allowance

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

 

 

Year Ended December 31,

 
  

2025

  

2024

 

United States - Federal

 $-  $- 

United States - California

  3   - 

United States - New Jersey

  -   - 

United States - Texas

  -   - 

United States - other states

  1   - 

Germany

  -   - 

Australia

  -   - 

Total Cash paid for income taxes, net of refunds

 $4  $-