Commitments and Contingencies - Additional Information (Detail) (USD $)	9 Months Ended	3 Months Ended	9 Months Ended
	Jun. 30, 2013	Sep. 30, 2013 Subsequent Event	Sep. 30, 2013 Subsequent Event
Commitments and Contingencies [Line Items]
Accrual in discontinued operations	$ 100,000
Unreimbursed legal expenses	1,300,000
Payment received on unreimbursed legal expenses		1,000,000
Reimbursement of legal fee,Percentage			75.00%
Additional shares of common stock to stockholders	480,059
Additional maximum amount payable on successful achievement of specified milestones to sellers of PR Pharma	$ 2,500,000
Indemnification period	5 years