Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Detail)

v3.6.0.2
Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]        
Intangible amortization expense $ 58 $ 58 $ 175 $ 175
Customer Relationships [Member]        
Finite Lived Intangible Assets [Line Items]        
Intangible amortization expense 45 $ 45 135 $ 135
Future amortization expenses, 2017 45   45  
Future amortization expenses, 2018 180   180  
Future amortization expenses, 2019 180   180  
Future amortization expenses, 2020 180   180  
Future amortization expenses, 2021 $ 180   $ 180