NATURE OF BUSINESS AND GOING CONCERN (Narrative) (Details)	Mar. 31, 2023 CAD ($)
Disclosure Of Nature Of Business [Abstract]
Accumulated deficit	$ 66,198,308

Amount of accumulated undistributed earnings (deficit).

No definition available.

Name:	ztek_RetainedEarningAccumulatedDeficit
Namespace Prefix:	ztek_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant