Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2012
Gain Contingencies [Line Items]
Commitment amount under employment agreement	$ 2.7
Accrued compensation and benefits under employment agreement	0.8
Additional compensation and benefits under employment agreement	0.8
Restricted stock awards to be issued under employment agreement	1.1
Additional base fees payment period under agreement	3 years
Initial annual base rent	3.7
Reimbursement on lease hold improvements	$ 2.6