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Nature of Operations (Details) - CAD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Disclosure Of Notes And Other Explanatory Information [Abstract]
Accumulated deficit	$ (418,251)	$ (393,416)
Cash and cash equivalents and current investments	$ 32,138

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A component of equity representing the entity's cumulative undistributed earnings or deficit.

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Cash And Cash Equivalents And Current Investments

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Disclosure Of Notes And Other Explanatory Information [Abstract]

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