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PAYROLL PROTECTION PROGRAM (Details) - USD ($)
$ in Thousands
Jul. 31, 2020
Apr. 13, 2020
Jul. 31, 2019
Debt Instrument [Line Items]      
Principal amount $ 900   $ 900
Interest rate 2.49%   4.61%
Loan Payable      
Debt Instrument [Line Items]      
Interest rate   1.00%  
Loan Payable | PPP, CARES Act      
Debt Instrument [Line Items]      
Principal amount   $ 180