v3.26.1
Share-based compensation (Details Narrative) - USD ($)
12 Months Ended
Dec. 16, 2025
Aug. 20, 2025
Jan. 31, 2026
Jan. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Stock option, granted     4,514,171 2,881,738
Intrinsic value of stock price     $ 0.041 $ 0.113
Issuance of stock option 100,000 4,040,329    
Exercise price     $ 0.07 $ 0.14
Share based compensation     $ 344,063 $ 679,268
Unrecognized share based compensation     $ 3,527  
Geologist [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Issuance of stock option     373,842  
Fair value of options granted     $ 315,062  
Share based compensation     $ 315,062  
Share-Based Payment Arrangement, Option [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Stock option, description     The options granted have a term not to exceed ten years from the date of grant or five years for options granted to more than 10% stockholders. The option price set by the Plan Administration shall not be less than the fair market value per share of the common stock on the grant date or 110% of the fair market value per share of the common stock on the grant date for options granted to greater than 10% stockholders.  
Maximum [Member] | Geologist [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Exercise price     $ 0.12  
Minimum [Member] | Geologist [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Exercise price     $ 0.044  
Key Employees and Non-employee Consultants [Member] | 2010 Stock Option Plan [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Stock option, granted     191,000  
Key Employees and Non-employee Consultants [Member] | 2007 Stock Option Plan [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Stock option, granted     5,000  
Key Employees and Non-employee Consultants [Member] | 2004 Stock Option Plan [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Stock option, granted     1,925  
Officers Employees and Consultants [Member] | Incentive and Non Qualified Stock Options [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Share based compensation     $ 315,062 $ 622,039