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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
6 Months Ended
Jun. 30, 2021
Accounting Policies [Abstract]  
Significant Customers For each significant customer, revenue as a percentage of total revenue and accounts receivable as a percentage of total accounts receivable are as follows:
Accounts ReceivableRevenueRevenue
June 30,December 31,Three Months Ended June 30,Six Months Ended June 30,
202120202021202020212020
Customers:
Customer A10 %30 %27 %*15 %*
Customer B*20 %10 %***
Customer C17 %17 %****
Customer D****15 %*
Customer E*****12 %
Customer F10 %*25 %*14 %*
Customer G16 %*****
*Total less than 10% for the respective period