Subsequent Events - Additional Information (Detail) (Tempus [Member], USD $)	9 Months Ended	0 Months Ended	1 Months Ended
	Sep. 30, 2014	Mar. 04, 2015	Jan. 31, 2015
Subsequent Event [Line Items]
Maturity description of Promissory note	The eNeura Note will mature on the earlier of (i) March 4, 2019, or (ii) consummation of the acquisition
Scenario, Forecast [Member]
Subsequent Event [Line Items]
Net sales consideration transferred			$ 2,100,000
Consideration in cash			4,800,000
Non-refundable fees paid		250,000
Principal amount of promissory note		15,000,000
Accrued interest on promissory note		8.00%
Amount paid to former shareholders		$ 65,000,000