Annual report pursuant to Section 13 and 15(d)

Other current liabilities (Details) - Schedule of other current liabilities

v3.20.2
Other current liabilities (Details) - Schedule of other current liabilities - USD ($)
$ in Thousands
Jul. 31, 2020
Jul. 31, 2019
Other current liabilities (Details) - Schedule of other current liabilities [Line Items]    
Other liabilities, current $ 344 $ 391
Finance lease obligations, current portion [Member]    
Other current liabilities (Details) - Schedule of other current liabilities [Line Items]    
Other liabilities, current 200 255
Current portion of mortgage loan [Member]    
Other current liabilities (Details) - Schedule of other current liabilities [Line Items]    
Other liabilities, current $ 144 $ 136