XML 23 R1.htm IDEA: XBRL DOCUMENT v3.25.2
Document and Entity Information
 12 Months Ended
Mar. 31, 2025
shares
Document Information [Line Items]  
Entity Registrant Name Zentek Ltd.
Entity Central Index Key 0001904501
Document Type 40-F
Amendment Flag false
Current Fiscal Year End Date --03-31
Document Period End Date Mar. 31, 2025
Trading Symbol ZTEK
Security Exchange Name NASDAQ
Title of 12(b) Security Common Shares, no par value
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2025
Document Annual Report true
Document Registration Statement false
Entity File Number 001-41310
Entity Incorporation, State or Country Code Z4
Entity Address, Address Line One 24 Corporate Ct
Entity Address, City or Town Guelph
Entity Address, State or Province ON
Entity Address, Postal Zip Code N1G 5G5
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Emerging Growth Company true
Entity Ex Transition Period false
City Area Code 1-844
Local Phone Number 730-9822
Entity Common Stock, Shares Outstanding 104,390,928
Annual Information Form true
Audited Annual Financial Statements true
Auditor Firm ID 1227
Auditor Location Vancouver, Canada
Auditor Name BDO Canada LLP
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Entity Primary SIC Number 2890
Business Contact [Member]  
Document Information [Line Items]  
Contact Personnel Name Cogency Global Inc.
Entity Address, Address Line One 122 East 42nd Street, 18th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10168
City Area Code 1-800
Local Phone Number 221-0102