v3.26.1
Note 8 - Leases (Details Textual) - USD ($)
2 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 15, 2026
Mar. 11, 2026
Mar. 01, 2026
Jan. 06, 2026
Dec. 31, 2025
Nov. 01, 2025
Jul. 01, 2024
Operating Lease, Liability   $ 19,385,305     $ 19,385,305                
Operating Lease, Weighted Average Remaining Lease Term (Year)   22 years 10 months 6 days     22 years 10 months 6 days           10 years 1 month 6 days    
Operating Lease, Right-of-Use Asset   $ 17,948,518     $ 17,948,518   $ 19,053       $ 17,704,775    
Finance Lease, Liability   18,521     18,521                
Finance Lease, Right-of-Use Asset, after Accumulated Amortization   18,521     18,521   19,053       $ 836,921    
Industrial and Commercial Lease [Member]                          
Lessee, Operating Lease, Monthly Rent Expense   17,500     17,500                
Operating Lease, Liability   19,449     19,449                
Operating Lease, Expense   57,237     114,258                
Operating Lease, Right-of-Use Asset             19,449            
Cambridge Land and Premises Lease [Member]                          
Lessee, Operating Lease, Monthly Rent Expense                   $ 12,500      
Operating Lease, Liability                   $ 523,890      
Operating Lease, Expense   36,290     72,580                
Lessee, Operating Lease, Term of Contract (Month)                   60 months      
Lessee, Operating Lease, Discount Rate                   14.08%      
Operating Lease, Right-of-Use Asset                   $ 523,890      
Hydrotreating Equipment Lease [Member]                          
Lessee, Operating Lease, Monthly Rent Expense                 $ 6,178        
Operating Lease, Liability                 $ 238,379        
Operating Lease, Expense   18,533     24,711                
Lessee, Operating Lease, Term of Contract (Month)                 5 years        
Lessee, Operating Lease, Discount Rate                 2.12%        
Operating Lease, Weighted Average Remaining Lease Term (Year)                 3 years 3 months 18 days        
Operating Lease, Right-of-Use Asset                 $ 238,379        
Property at 700 Lake Avenue [Member]                          
Operating Lease, Expense   14,908   $ 14,908 29,816 $ 29,816              
Property at 600 Lake Avenue [Member]                          
Lessee, Operating Lease, Monthly Rent Expense                         $ 30,000
Operating Lease, Expense   215,254   $ 217,875 430,508 $ 435,750              
Operating Lease, Right-of-use Asset, Increase (Decrease) $ (73,792)                        
Operating Lease, Lease Liability, Increase (Decrease) $ (73,792)                        
Property at 800 Lake Avenue [Member]                          
Lessee, Operating Lease, Monthly Rent Expense                       $ 5,000  
Operating Lease, Expense   14,212     28,424                
Operating Lease, Right-of-use Asset, Increase (Decrease)     $ (28,116)                    
Operating Lease, Lease Liability, Increase (Decrease)     $ (28,116)                    
Navitas Equipment Lease Agreement [Member]                          
Lessee, Finance Lease, Term of Contract (Month)               55 months          
Lessee, Finance Lease, Monthly Rent Expense               $ 756          
Finance Lease, Liability             $ 19,053            
Lessee, Finance Lease, Discount Rate             39.63%            
Finance Lease, Expense   $ 2,267     $ 3,023