Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Income Taxes [Line items]
Statutory tax rate	0.00%
Net operating loss carry forwards, not subject to expiration	$ 4,931,000
Net operating loss carry forwards	45,347,000
Net operating loss carry forwards, subject to expiration	$ 2,838,000
Net operating loss carry forwards expiration period	5 years
Unrecognized tax benefits, Income tax penalties and interest accrued	$ 0	$ 0	$ 0
Tax charge	0
Tax Year Between 2034 and 2036 [Member]
Income Taxes [Line items]
Net operating loss carry forwards, subject to expiration	2,068,000
U.S. state [Member]
Income Taxes [Line items]
Net operating loss carry forwards	$ 7,011,000
Minimum [Member]
Income Taxes [Line items]
Net operating loss carry forwards expiration year	2034
Maximum [Member]
Income Taxes [Line items]
Net operating loss carry forwards expiration year	2036