Commitments and Contingencies - Additional Information (Detail)	0 Months Ended	3 Months Ended
	Jun. 30, 2013 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2013 EUR (€)	Sep. 30, 2013 USD ($)	Sep. 30, 2013 Prior to Fiscal 2013 [Member] USD ($)	Dec. 31, 2013 Patents [Member]
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
Legal expenses					600,000
Reimbursement of legal fee, Percentage		75.00%	75.00%
Additional shares of common stock to stockholders		480,059	480,059
License agreement commencement date		2006-03	2006-03
Annual minimum payments for licenses		275,000	200,000
Exchange rate relating to license payment		$ 1.3766
Future minimum payments associated with license		3,900,000
Patent expiry date						2027-09
Additional maximum amount payable on successful achievement of specified milestones to sellers of PR Pharma		2,500,000
Indemnification period		5 years	5 years
Accrual for contingency		$ 0