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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES : Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Product Information [Line Items]        
Revenues $ 17,400 $ 2,118 $ 23,203 $ 5,933
Paid Up Revenue Agreements [Member]        
Product Information [Line Items]        
Revenues 16,600 1,792 22,010 5,092
Recurring Revenue Agreements [Member]        
Product Information [Line Items]        
Revenues $ 800 $ 326 $ 1,193 $ 841