v3.26.1
Note 12 - Commitments and Contingencies (Details Textual)
1 Months Ended 12 Months Ended 34 Months Ended 37 Months Ended
Sep. 16, 2024
USD ($)
Aug. 24, 2021
USD ($)
oz
Dec. 31, 2020
USD ($)
Jul. 15, 2012
USD ($)
Jul. 31, 2024
USD ($)
Jul. 31, 2008
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2024
Sep. 30, 2024
Dec. 08, 2025
USD ($)
Dec. 31, 2024
USD ($)
Arrangement Agreement [Member]                      
Estimated fair value of shares to be issued                   $ 397,500,000  
Reciprocal termination fee                   $ 15,000,000  
Transaction costs accrued and capitalized             $ 2,200,000        
Avidian Alaska [Member]                      
Lease agreement payment obligation term             Avidian Alaska entered into a 15 year lease agreement with an effective date of July 18, 2015 with Tanya Stolz. Avidian Alaska shall pay minimum annual lease payments as outlined under the schedule in section 4.1 of the agreement. Avidian Alaska's obligation for July 18, 2025 is $100,000 and will increase by $10,000 per year, with a final payment on July 18, 2030 for $130,000.        
Lease agreement payment obligation increase amount             $ 10,000        
Lease agreement obligation final payment amount             $ 130,000        
Lease agreement period             15 years        
Lease agreement payment obligation amount             $ 100,000        
Chief Executive Officer [Member] | Minimum [Member]                      
Short Term Incentive Plan, Minimum Performance Target, Payout, Percentage of Base Salary             0.00%        
Chief Executive Officer [Member] | Maximum [Member]                      
Short Term Incentive Plan, Minimum Performance Target, Payout, Percentage of Base Salary             150.00%        
Chief Financing Officer and Secretary [Member]                      
Annual Base Salary             $ 400,000        
President and Chief Executive Officer [Member]                      
Annual Base Salary $ 600,000                    
CIRI [Member]                      
Contractual Annual Exploration Costs             25,000        
Lease payable             $ 150,000        
Contractual annual exploration costs payment deferral period             4 years        
Alaska Gold Torrent, LLC [Member]                      
Asset Acquisition, Contingent Consideration Payable             $ 2,757,952       $ 1,100,480
Production Threshold, One [Member] | Alaska Gold Torrent, LLC [Member]                      
Asset Acquisition, Contingent Consideration Arrangements, Production Threshold, Mineral Resource (Ounce) | oz   500,000                  
Asset Acquisition, Contingent Consideration Arrangements, Production Threshold, Output, Gold (Ounce) | oz   30,000                  
Gold to Silver Ratio               1:65      
Asset Acquisition, Consideration Transferred, Contingent Consideration   $ 5,000,000                  
Production Threshold, One [Member] | Alaska Gold Torrent, LLC [Member] | Common Stock [Member]                      
Asset Acquisition, Consideration Transferred, Equity Interest Issued and Issuable   $ 3,750,000                  
Production Threshold, Two [Member] | Alaska Gold Torrent, LLC [Member]                      
Asset Acquisition, Contingent Consideration Arrangements, Production Threshold, Mineral Resource (Ounce) | oz   1,000,000                  
Asset Acquisition, Contingent Consideration Arrangements, Production Threshold, Output, Gold (Ounce) | oz   60,000                  
Gold to Silver Ratio                 1:65    
Asset Acquisition, Consideration Transferred, Contingent Consideration   $ 5,000,000                  
Production Threshold, Two [Member] | Alaska Gold Torrent, LLC [Member] | Common Stock [Member]                      
Asset Acquisition, Consideration Transferred, Equity Interest Issued and Issuable   $ 5,000,000                  
Contango Shareholders [Member] | Arrangement Agreement [Member]                      
Shareholders ownership percentage                   50.001%  
Dolly Varden Shareholders [Member] | Arrangement Agreement [Member]                      
Shareholders ownership percentage                   49.999%  
The Joint Venture Company [Member] | Silver Royalty [Member]                      
Royalty value greater than amount             1,200,000        
The Joint Venture Company [Member] | Omnibus Royalty Agreement [Member]                      
Royalty value greater than amount             1,200,000        
The Joint Venture Company [Member] | Peak Gold, LLC [Member]                      
Drawdown prepayments into income         $ 1,200,000            
The Joint Venture Company [Member] | Royal Gold [Member]                      
Royalties recognized in interest and other income             584,589        
The Joint Venture Company [Member] | KG Mining [Member] | Silver Royalty [Member]                      
Prepayment received pursuant to purchase agreement             1,200,000        
Tetlin Lease [Member] | Minimum [Member]                      
Advance Royalties to Be Paid Per Year       $ 75,000              
Tetlin Lease [Member] | Scenario 3 [Member]                      
Percentage of Production Royalty Rate Increase     0.75%                
Payment that Lessor May Pay to Lessee to Increase Royalty Rate     $ 450,000                
Tetlin Lease [Member] | The Joint Venture Company [Member]                      
Initial Term of Leases and Concessions on Undeveloped Acreage (Year)           10 years          
Extension of Term of Leases and Concessions on Undeveloped Acreage (Year)           10 years          
Contractual Annual Exploration Costs           $ 350,000          
Tetlin Lease [Member] | The Joint Venture Company [Member] | Minimum [Member]                      
Royalty Rate           3.00%          
Tetlin Lease [Member] | The Joint Venture Company [Member] | Maximum [Member]                      
Royalty Rate           5.00%          
Tetlin Lease and Certain Other Properties [Member]                      
Annual Claim Rentals             $ 436,258        
Tetlin Lease and Certain Other Properties [Member] | The Joint Venture Company [Member] | Royal Gold [Member]                      
Overriding Royalty Interest             3.00%        
Additional Properties [Member] | The Joint Venture Company [Member] | Royal Gold [Member]                      
Net Smelter Returns Silver Royalty, Percent             28.00%        
Kitsault Valley Project [Member] | Dolly Varden Acquisition [Member]                      
Ownership percentage             100.00%