Cover Page - shares	6 Months Ended
	Jun. 30, 2022	Aug. 09, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Registrant Name	Meta Materials Inc.
Entity Central Index Key	0001431959
Entity File Number	001-36247
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Small Business	true
Entity Emerging Growth Company	false
Document Quarterly Report	true
Document Transition Report	false
Entity Tax Identification Number	74-3237581
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	1 Research Drive
Entity Address, City or Town	Dartmouth
Entity Address, State or Province	NS
Entity Address, Postal Zip Code	B2Y 4M9
City Area Code	902
Local Phone Number	482-5729
Entity Common Stock, Shares Outstanding		360,837,343
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	MMAT
Security Exchange Name	NASDAQ