Annual report pursuant to Section 13 and 15(d)

Debt - Long-term Capital Lease Obligations Outstanding (Detail)

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Debt - Long-term Capital Lease Obligations Outstanding (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Mar. 31, 2017
Debt Disclosure [Abstract]    
Capital lease obligations (Note 6) $ 143 $ 250
Less: current amounts 88 107
Total $ 55 $ 143