Commitments and Contingencies - Operating Leases - Narrative (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Operating Leased Assets [Line Items]
Future minimum rent payments under operating leases due in year ended June 30, 2015	$ 349
Future minimum rent payments under operating leases due in year ended June 30, 2016	331
Future minimum rent payments under operating leases due in year ended June 30, 2017	330
Future minimum rent payments under operating leases due in year ended June 30, 2018	297
Future minimum rent payments under operating leases due in year ended June 30, 2019	271
Future minimum rent payments under operating leases due thereafter	1,567
Rent expense under operating leases	$ 366	$ 378	$ 324
Minimum
Operating Leased Assets [Line Items]
Option to extend operating lease term, number of years	5 years
Maximum
Operating Leased Assets [Line Items]
Option to extend operating lease term, number of years	10 years