v3.26.1
Note 15 - Subsequent Events (Details Textual) - USD ($)
1 Months Ended 2 Months Ended 3 Months Ended 12 Months Ended
Mar. 09, 2026
Feb. 02, 2026
Jan. 06, 2026
Sep. 29, 2025
Mar. 31, 2026
Feb. 28, 2026
Mar. 31, 2026
Feb. 28, 2026
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Mar. 10, 2026
Sep. 30, 2025
Jul. 11, 2025
Jul. 10, 2025
Interest Paid, Excluding Capitalized Interest, Operating Activity                 $ 6,000 $ 0 $ 259,000 $ 1,000        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)             183,510                  
Proceeds from Issuance of Debt                     $ 9,700,000          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)       3,448 200,000 16,448                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)                 6 years 11 months 8 days   7 years 29 days          
Repayments of Debt in Stock, Shares (in shares)                 1,380,359              
Restricted Cash                     $ 4,000,000 $ 0        
Common Stock, Shares Authorized (in shares)         300,000,000   300,000,000   300,000,000   150,000,000 150,000,000     150,000,000 45,000,000
Related Party Note Receivable [Member]                                
Financing Receivable, after Allowance for Credit Loss                           $ 134,712    
Subsequent Event [Member]                                
Repayments of Debt             $ 3,400,000                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)               216,448                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)           10 years                    
Common Stock, Shares Authorized (in shares) 150,000,000                       300,000,000      
Subsequent Event [Member] | High Trail [Member]                                
Repayments of Debt in Stock, Shares (in shares)             1,380,359                  
Debt, Principal Amount Accelerated   $ 2,100,000                            
Restricted Cash $ 4,000,000                              
Subsequent Event [Member] | Minimum [Member]                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in dollars per share)           $ 1.08                    
Subsequent Event [Member] | Maximum [Member]                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in dollars per share)           $ 1.69                    
Subsequent Event [Member] | Non-qualified Vested Stock Options [Member]                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)             129,735                  
Related Party Note [Member] | Subsequent Event [Member]                                
Repayments of Debt     $ 1,000,000                          
Interest Paid, Excluding Capitalized Interest, Operating Activity     $ 7,025                          
Fang Family Fund I, LLC Note [Member] | Subsequent Event [Member]                                
Proceeds from Issuance of Debt $ 700,000                              
Debt Instrument, Interest Rate, Stated Percentage 6.00%