Earnings per Common Share - Summary of Outstanding Options and Warrants (Detail) - shares	Mar. 31, 2017	Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options, RSUs and warrants to purchase Common Stock	11,036,673	10,113,296

Share based compensation arrangement by share based payment award shares outstanding.

No definition available.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant