Document And Entity Information - USD ($)	12 Months Ended
	Sep. 30, 2015	Nov. 25, 2015	Mar. 31, 2015
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)		32,136,171
Entity Public Float			$ 66,327,747
Document Type	10-K
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Amendment Flag	false