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Commitments (Tables)
12 Months Ended
Oct. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Minimum Lease Payments, Operating Leases
Minimum lease payments under these non-cancelable operating leases in each of the years subsequent to October 31, 2018 are as follows (in thousands):
 
Year ending
 
 
 
October 31,
 
Amount
 
 
 
 
 
2019
 
$
664
 
2020
 
 
504
 
2021
 
 
448
 
2022
 
 
262
 
2023
 
 
1
 
Total
 
$
1,879