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TRADE ACCOUNTS RECEIVABLE (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Gross accounts receivable balance $ 4,465 $ 4,171
Allowance for bad debt (2,230) (2,207)
Accounts receivable, net $ 2,235 $ 1,964
AI-based products and services | Product Concentration Risk    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Percentage of gross trade receivables 55.00%