v3.24.1
Note 1 - Organization (Details Textual)
$ / shares in Units, $ in Thousands
12 Months Ended 24 Months Ended
Dec. 31, 2023
USD ($)
$ / shares
bbl
Dec. 31, 2022
USD ($)
$ / shares
Apr. 30, 2027
USD ($)
Distillation Tower, Volume Per Day (Barrel of Oil) | bbl 15,000    
Volume of Storage Tank Capacity (Barrel of Oil) | bbl 1.25    
Number of Operating Segments 2    
Assets, Current $ 49,290 $ 25,088  
Liabilities, Other than Current Portion of Long-Term Debt, Current 16,000    
Secured Debt, Current 39,400 47,400  
Net Income (Loss) Attributable to Parent $ 31,011 $ 32,892  
Earnings Per Share, Basic (in dollars per share) | $ / shares $ 2.08 $ 2.34  
Net Income (Loss), Change From Previous Reporting Period $ (1,900)    
Earnings Per Share Basic, Change From Previous Reporting Period (in dollars per share) | $ / shares $ (0.26)    
Working Capital (Deficit) $ (6,100) $ (45,200)  
Working Capital (Deficit), Change From Previous Reporting Period 39,100    
Working Capital (Deficit), Excluding Long-term Debt, Current 33,300 2,100  
Working Capital (Deficit), Excluding Current Portion of Long-term Debt, Change From Previous Reporting Period $ 31,200    
CARES Act Loans [Member]      
Notes Payable   $ 1,500  
An Affiliate Combined with Jonathan Carroll [Member]      
Ownership Percentage 83.00%    
Nonrelated Party [Member]      
Debt Instrument, Periodic Payment $ 10    
Nonrelated Party [Member] | Kissick Forbearance Agreement [Member]      
Debt Instrument, Periodic Payment 500    
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid 400    
Repayments of Notes Payable 4,500    
Nonrelated Party [Member] | LEH Forbearance Agreement [Member]      
Debt Instrument, Periodic Payment 50    
Repayments of Notes Payable $ 3,400    
Nonrelated Party [Member] | LEH Forbearance Agreement [Member] | Forecast [Member]      
Debt Instrument, Periodic Payment     $ 400