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ACQUISITION OF BUSINESS - Intangible Assets (Details) - USD ($)
$ in Thousands
Aug. 05, 2019
Oct. 31, 2020
Oct. 31, 2019
May 08, 2019
Acquired Finite-Lived Intangible Assets [Line Items]        
Intangible assets $ 1,120 $ 1,100    
Goodwill   0 $ 5,847 $ 2,500
Trademark/name        
Acquired Finite-Lived Intangible Assets [Line Items]        
Intangible assets $ 520      
Remaining Economic Useful Life 15 years      
Noncompete        
Acquired Finite-Lived Intangible Assets [Line Items]        
Intangible assets $ 580      
Remaining Economic Useful Life 5 years      
Other        
Acquired Finite-Lived Intangible Assets [Line Items]        
Intangible assets $ 20      
Remaining Economic Useful Life 1 year      
ProCobots        
Acquired Finite-Lived Intangible Assets [Line Items]        
Intangible assets $ 1,120      
Goodwill $ 2,528 $ 4,900 $ 2,500