Document and Entity Information	3 Months Ended
	Sep. 30, 2011
Document and Entity Information
Entity Registrant Name	Hypertension Diagnostics Inc /MN
Document Type	10-Q
Document Period End Date	Sep. 30, 2011
Amendment Flag	true
Entity Central Index Key	0001058828
Current Fiscal Year End Date	--06-30
Entity Common Stock, Shares Outstanding	43,325,843
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	No
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Amendment Description	Amendment to file XBRL