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Stockholder's deficit (Details) - Warrants [Member]
12 Months Ended
Dec. 31, 2024
$ / shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Exercise price $ 0.001
Risk free interest rate, minimum 4.31%
Risk free interest rate, maximum 4.87%
Expected volatility of underlying stock, minimum 205.50%
Expected volatility of underlying stock, maximum 243.00%
Expected dividend rate 0.00%
Minimum [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Expected life of options 2 years
Maximum [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Expected life of options 4 years