Accrued and Other Liabilities - Additional information (Detail)	Jun. 30, 2020 USD ($)
Other Noncurrent Liabilities [Member]
Federal Employer Payroll Taxes Deferred Pursuant To The CARES Act	$ 177,000

Federal employer payroll taxes that have been deferred pursuant to the CARES Act.

No definition available.

Name:	agtc_FederalEmployerPayrollTaxesDeferredPursuantToTheCaresAct
Namespace Prefix:	agtc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant