Subsequent Events - Additional Information (Detail) (USD $)	6 Months Ended	1 Months Ended	0 Months Ended
	Jun. 30, 2014	Jan. 31, 2015	Mar. 04, 2015
eNeura Inc [Member]
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, unless converted or prepaid at an earlier date.
Scenario, Forecast [Member] | Tempus [Member]
Subsequent Event [Line Items]
Net sales consideration transferred		$ 2,100,000
Consideration in cash		4,800,000
Scenario, Forecast [Member] | eNeura Inc [Member]
Subsequent Event [Line Items]
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