Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Dec. 31, 2012
Gain Contingencies [Line Items]
Commitments amount under employment agreement	$ 2.7
Accrued compensation and benefits under employment agreement	1.1
Additional compensation and benefits under employment agreement	0.4
Restricted stock awards to be issued under employment agreement	1.2
Additional base fees payment period under agreement	3 years
Expiry date of non-cancelable operating leases	2015-09
Initial annual base rent	3.7
Reimbursement on leasehold improvements	2.6
Remaining lease payments	3.8
Unrecognized compensation cost	9.2
Cost recognized over weighted average period	1 year 9 months 18 days
Transaction fee	5.0
Transaction fee payable	$ 1.0
Subsequent Event [Member]
Gain Contingencies [Line Items]
Increase in base rent, Percentage	10.00%
Expiration date of new lease	June 1, 2023