Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
Finite Lived Intangible Assets Accumulated Amortization Addition | $ 95,000 | $ 47,000 | $ 285,000 | $ 141,000 |