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INCOME TAXES - Deferred taxes (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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INCOME TAXES |  |
Non-capital losses carried forward | $ 24,850,000 | $ 21,151,000
Research and development expenditures | 3,175,000 | 3,246,000
Investment tax credits | 2,043,000 | 2,088,000
Tax value of technology rights and property and equipment in excess of accounting basis | 193,000 | 221,000
Share issue costs | 1,275,000 | 1,019,000
Non-deductible reserves | 10,000 |
Restricted interest and financing expenses | 337,000 |
Total deferred income tax assets | 31,883,000 | 27,725,000
Valuation allowance | (31,883,000) | (27,725,000)
Net deferred income tax assets | $ 0 | $ 0

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