Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Deferred taxes (Details)

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INCOME TAXES - Deferred taxes (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
INCOME TAXES    
Non-capital losses carried forward $ 17,614,000 $ 11,640,000
Research and development expenditures 3,346,000 3,421,000
Investment tax credits 2,152,000 2,201,000
Tax value of technology rights and property and equipment in excess of accounting basis 250,000 287,000
Unrealized foreign exchange loss on convertible debt   12,000
Share issue costs 656,000 550,000
Total deferred income tax assets 24,018,000 18,111,000
Valuation allowance $ (24,018,000) $ (18,111,000)