Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (42,000)	$ (38,000)	$ (83,000)	$ 188,000
Federal alternative minimum tax expense				260,000
Milestone payment received upon an FDA approval of ILUVIEN		25,000,000		25,000,000
Unrecognized tax benefits	0	$ 0	0	$ 0
Accrued penalties or interest related to uncertain tax positions	$ 0		$ 0		$ 0