v3.25.1
Cover
Jun. 03, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 03, 2025
Entity Registrant Name MITEK SYSTEMS, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-35231
Entity Tax Identification Number 87-0418827
Entity Address, Address Line One 770 First Avenue, Suite 425
Entity Address, City or Town San Diego,
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92101
City Area Code 619
Local Phone Number 269-6800
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol MITK
Entity Emerging Growth Company false
Entity Central Index Key 0000807863
Amendment Flag false