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Acquisitions (Details) - Schedule of impact of the acquisition's purchase price allocations on consolidated balance sheet - USD ($)
$ in Thousands
Jul. 31, 2020
Sep. 14, 2018
Schedule of impact of the acquisition's purchase price allocations on consolidated balance sheet [Abstract]    
Trade accounts receivable $ 142 $ 370
Other current assets 21  
Property, plant and equipment 84 1,826
Goodwill 1,437  
Non-compete agreement (4-year useful life) 50  
Customer relationships (7-year useful life) 130  
Tradename (2-year useful life) 30 490
Deferred income tax assets 118  
Other assets 10  
Trade accounts payable (302) (81)
Accrued expenses (136)  
Other current liabilities (408) $ (523)
Other liabilities (351)  
Net assets acquired $ 825