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Other current assets (Tables)
 6 Months Ended
Apr. 30, 2018
Other current assets [Abstract]  
Schedule of other current assets
Other current assets consist of the following (in thousands): 
 
 
 
April 30, 2018
 
October 31, 2017
 
 
 
 
 
 
 
 
 
Prepaid taxes
 
$
-
 
$
20
 
Prepaid expense
 
 
323
 
 
526
 
Notes receivable, current portion
 
 
62
 
 
83
 
Other
 
 
180
 
 
115
 
 
 
 
 
 
 
 
 
Totals
 
$
565
 
$
744