Document and Entity Information - USD ($)	12 Months Ended
Sep. 30, 2015	Feb. 04, 2016
Entity Registrant Name	CIPHERLOC CORPORATION
Entity Central Index Key	0001022505
Document Type	10-K/A
Document Period End Date	Sep. 30, 2015
Amendment Flag	true
Amendment Description	This Amendment No. 1 on Form 10-K/A amends the Annual Report on Form 10-K of Cipherloc Corporation (the “Company”) for the year ended September 30, 2015 as originally filed with the Securities and Exchange Commission on January 27, 2016 (the “Original Filing”). This Form 10-K/A amends the Original Filing in that it was filed before being given clearance to by its independent auditors. The Company was advised on the date of filing by its independent accountant and its prior independent accountant that the final review by the prior independent accountant had not been completed. The required clearances have now been received.
Current Fiscal Year End Date	--09-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float		$ 11,731,143
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2014
Common Stock
Entity Common Stock, Shares Outstanding		4,512,555
Preferred Stock
Entity Common Stock, Shares Outstanding		10,000,000

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