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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Allowance for credit loss rollfoward
The following table summarizes the changes in the allowance for losses and sales adjustments:
 Years ended December 31,
 20212020
Balance at beginning of year$9,255 $5,738 
Provisions for losses and sales adjustments - accounts receivable2,831 3,517 
Collections of accounts previously written off— — 
Balance at end of year$12,086 $9,255