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Acquisitions (Details) - Schedule of consolidated balance sheet and acquisition date fair value of total consideration transferred - USD ($)
$ in Thousands
12 Months Ended
Sep. 14, 2018
Jul. 31, 2020
Schedule of consolidated balance sheet and acquisition date fair value of total consideration transferred [Abstract]    
Trade accounts receivable $ 370 $ 142
Prepaid expenses 65  
Property, plant and equipment 1,826 84
Non-compete agreement (5-year useful life) 600  
Customer relationships (20-year useful life) 3,003  
Tradename (20-year useful life) 490 30
Other assets 486  
Trade accounts payable (81) (302)
Accrued expenses (523) (408)
Other liabilities (710)  
Net assets excluding cash acquired 5,526 825
Cash paid 5,943 450
Cash acquired (417)  
Total consideration, net of cash acquired $ 5,526 $ 825