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Leases (Future Minimum Lease Payments Under Operating Leases) (Details)
$ in Thousands
Nov. 30, 2019
USD ($)
Leases [Abstract]  
Remainder of 2020 $ 663
2021 479
2022 134
2023 117
2024 94
Thereafter 98
Total operating lease payments 1,585
Less imputed interest (104)
Present value of operating lease liabilities $ 1,481