Subsequent Events - Additional Information (Detail) (Tempus [Member], USD $)	12 Months Ended	0 Months Ended	1 Months Ended
	Dec. 31, 2014	Mar. 04, 2015	Jan. 31, 2015
Subsequent Event [Line Items]
Maturity date of promissory note	Mar. 04, 2019
Maturity description of Promissory note	The eNeura Note will mature on the earlier of (i) March 4, 2019, or (ii) consummation of the acquisition
Subsequent Event [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