Summary of Company's Restricted Stock (Detail) - $ / shares	6 Months Ended	12 Months Ended
	Sep. 30, 2015	Mar. 31, 2015
Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]
Unvested or unlapsed shares, Shares	12,222
Granted, Shares	0
Vested / lapsed, Shares	(6,111)
Forfeited, Shares	0
Unvested or unlapsed shares, Shares	6,111	12,222
Unvested or unlapsed shares, Average Life (In Years)	3 months 18 days	3 months 18 days
Vested / lapsed, Average Life (In Years)	0 years
Forfeited, Average Life (In Years)	0 years
Unvested or unlapsed shares, Average Intrinsic Value	$ 0.50
Forfeited, Average Intrinsic Value	0
Unvested or unlapsed shares, Average Intrinsic Value	0.81	$ 0.50
Unvested or unlapsed shares, Fair Value	4.10
Forfeited, Fair Value	0
Unvested or unlapsed shares, Fair Value	$ 4.10	$ 4.10