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Accounts Receivable (Tables)
12 Months Ended
Dec. 31, 2020
Receivables [Abstract]  
Schedule of Allowance for Doubtful Accounts
Activity related to the allowance for doubtful accounts was as follows for the periods presented (in thousands):
20202019
Allowance for doubtful accounts, beginning$269 $303 
Provision for losses on accounts receivable88 83 
Recoveries and (write-offs)10 (117)
Allowance for doubtful accounts, ending$367 $269