v3.25.4
Note 11 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

2025

  

2024

 
  

(in thousands)

 

Current:

        

Federal

 $-  $- 

State

  6   36 

Total current income tax

 $6  $36 
         

Deferred:

        

Federal

 $-  $456 

State

  -   (472)

Total deferred income taxes

 $-  $(16)
         

Total income tax expense (benefit)

 $6  $20 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

2025

   % 

2024

   %

Reconciling Item

               

Pretax income (loss)

  (14,368)  0.0% $(25,613)  0.0%

Tax at U.S. federal statutory rate (21%)

  (3,032)  21.0%  (5,410)  21.0%

State income taxes, net of federal benefit

  5   1.7%  (444)  1.6%

Tax credits

  -   0.0%  -   0.0%

Foreign tax effects

  -   0.0%  -   0.0%

Effects of tax law changes

  -   0.0%  -   0.0%

Nondeductible expenses

  93   0.6%  155   0.7%

Changes in valuation allowance

  2,911   22.1%  5,705   20.1%

Changes in unrecognized tax benefits

  -   0.0%  -   0.0%

Other, net

  28   0.0%  13   -0.9%
                 

Income tax expense (benefit)

 $6   0.1% $20   -2.7%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
 

2025

 

2024

 
 

(in thousands)

 

Deferred tax assets:

      

Net operating loss carryover

$13,613 $9,787 

Property and equipment

 7,808  6,781 

Percentage depletion and contribution carryovers

 2,007  1,988 

Deferred compensation liability

 9  188 

Asset retirement obligations

 1,843  3,215 

Stock-based compensation

 408  379 

Lease obligations

 94  138 

Other

 218  220 
       

Total deferred tax assets

 26,000  22,695 
       

Deferred tax liabilities:

      

Lease assets

 (81) (119)
       

Total deferred tax liabilities

 (81) (119)
       

Net deferred tax assets

 25,919  22,576 

Less valuation allowance

 (25,919) (22,576)
       

Net deferred tax liability

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

2025

  

2024

 
  

(in thousands)

 

Jurisdiction:

        

Federal

  -   - 

State

  -   17 

Foreign

  -   - 
         

Total Cash Taxes Paid

 $-  $17