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Subsequent event
6 Months Ended
Apr. 30, 2019
Subsequent Events [Abstract]  
Subsequent events
Note 15 - Subsequent event
 
On June 7, 2019, the Board of Directors of the Company declared a quarterly cash dividend of $0.02 per share to be paid on July 15, 2019 to stockholders of record on June 30, 2019.