Quarterly report pursuant to Section 13 or 15(d)

Leases - Summary of Components of Lease Expense (Detail)

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Leases - Summary of Components of Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Finance lease cost:    
Amortization of right-of-use assets $ 13 $ 26
Interest on lease liabilities 3 6
Operating lease cost 37 146
Short-term lease cost 6 17
Total lease cost $ 59 $ 195