Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Detail)

v3.19.3
Leases - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Mar. 31, 2019
Leases [Line Items]      
Lessee, option to renew or terminate leases, description   Certain leases include options to renew or terminate. Renewal options are exercisable per the discretion of the Company and vary based on the nature of each lease.  
Operating leases, future minimum lease commitments, 2020     $ 501
Operating leases, future minimum lease commitments, 2021     301
Operating leases, future minimum lease commitments, 2022     37
Operating leases, future minimum lease commitments, 2023     32
Operating leases, future minimum lease commitments, 2024     8
Finance leases, future minimum lease commitments, 2020     62
Finance leases, future minimum lease commitments, 2021     47
Finance leases, future minimum lease commitments, 2022     26
Finance leases, future minimum lease commitments, 2023     26
Finance leases, future minimum lease commitments, 2024     $ 11
ROU assets obtained in exchange for operating lease liability $ 78 $ 221  
Minimum [Member]      
Leases [Line Items]      
Remaining term of contract   1 year  
Maximum [Member]      
Leases [Line Items]      
Remaining term of contract   5 years