Document and Entity Information	9 Months Ended
	Jan. 31, 2014
Document And Entity Information
Entity Registrant Name	BIOSYNERGY INC
Entity Central Index Key	0000715812
Document Type	10-Q
Document Period End Date	Jan. 31, 2014
Amendment Flag	false
Current Fiscal Year End Date	--04-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	No
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding	14,935,511
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2013