Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Contingencies And Commitments [Line Items]
Rental expenses for leased properties	$ 70,500	$ 70,500
Longview, Texas office building
Contingencies And Commitments [Line Items]
Operating lease expiration, date	Apr. 30, 2018
Humble, Texas office building
Contingencies And Commitments [Line Items]
Operating lease expiration, date	Dec. 31, 2016