Cover Page - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Sep. 02, 2020	Dec. 31, 2019
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Amendment Flag	false
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Registrant Name	APPLIED GENETIC TECHNOLOGIES CORP
Entity Central Index Key	0001273636
Current Fiscal Year End Date	--06-30
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity File Number	001-36370
Entity Tax Identification Number	59-3553710
Trading Symbol	AGTC
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	14193 NW 119th Terrace, Suite 10
Entity Address, City or Town	Alachua
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	32615
City Area Code	386
Local Phone Number	462-2204
Title of 12(b) Security	Common Stock
Security Exchange Name	NASDAQ
Entity Public Float			$ 81.9
Entity Common Stock, Shares Outstanding		25,857,883