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Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Finite Lived Intangible Assets Accumulated Amortization Addition $ 47,000 $ 110,000 $ 141,000 $ 241,000