Commitments and Contingencies - Additional Information (Detail) (USD $)	1 Months Ended	0 Months Ended
	Mar. 31, 2014	Mar. 31, 2015
Other Commitments [Line Items]
Payments to extend license agreement	$ 50,000
Amount payable to licensor to exercise option		1,000,000
Alternative Payment Method [Member]
Other Commitments [Line Items]
Amount payable to licensor to exercise option		500,000
Percentage of payments to licensor on gross proceeds received by company		10.00%
Minimum [Member] | Alternative Payment Method [Member]
Other Commitments [Line Items]
Amount payable to licensor to exercise option		1,000,000
Maximum [Member] | Alternative Payment Method [Member]
Other Commitments [Line Items]
Amount payable to licensor to exercise option		$ 1,500,000