STOCK-BASED COMPENSATION - Schedule of Stock-Based Compensation Expense (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Stock-based compensation expense | $ 2,344,669 | $ 94,450 | $ 4,171,415 | $ 188,900 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Stock-based compensation expense | 2,157,732 | 94,450 | 3,780,238 | 188,900 |
| Location, Statement of Income, Balance [Axis]: ssmr:PreDevelopmentMiningExpense | ||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Stock-based compensation expense | $ 186,937 | $ 0 | $ 391,177 | $ 0 |