Document and Entity Information	3 Months Ended
	Jul. 31, 2011	Jul. 26, 2012
Document And Entity Information
Entity Registrant Name	MERA PHARMACEUTICALS INC
Entity Central Index Key	0000837490
Document Type	10-Q
Document Period End Date	Jul. 31, 2011
Amendment Flag	false
Current Fiscal Year End Date	--10-31
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 Common Stock, Shares Outstanding		557,299,676
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2011