Current report filing

Cover

v3.21.2
Cover
Aug. 30, 2021
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 30, 2021
Entity File Number 000-54986
Entity Registrant Name ARCH THERAPEUTICS, INC.
Entity Central Index Key 0001537561
Entity Tax Identification Number 46-0524102
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 235 Walnut Street
Entity Address, Address Line Two Suite 6
Entity Address, City or Town Framingham
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01702
City Area Code 617
Local Phone Number 431-2313
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false