Document and Entity Information (USD $)	12 Months Ended
	Feb. 28, 2012	May 28, 2012	May 25, 2012
Document And Entity Information
Entity Registrant Name	MAGNA LAB INC
Entity Central Index Key	0000895464
Document Type	10-K
Document Period End Date	Feb. 28, 2012
Amendment Flag	false
Current Fiscal Year End Date	--02-28
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		$ 50,000
Entity Common Stock, Shares Outstanding			1,176,025
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2011