Document And Entity Information - shares	9 Months Ended
	Jun. 30, 2016	Jul. 26, 2016
Document Information [Line Items]
Entity Registrant Name	LRAD Corp
Entity Central Index Key	0000924383
Trading Symbol	lrad
Current Fiscal Year End Date	--09-30
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		31,798,853
Document Type	10-Q
Document Period End Date	Jun. 30, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Amendment Flag	false