Post-effective amendment to a registration statement that is not immediately effective upon filing

Document And Entity Information

v2.4.1.9
Document And Entity Information
6 Months Ended
Mar. 31, 2015
Document Information [Line Items]  
Entity Registrant Name Arch Therapeutics, Inc.
Entity Central Index Key 0001537561
Document Type POS AM
Amendment Flag false
Document Period End Date Mar. 31, 2015
Entity Filer Category Smaller Reporting Company