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Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2019
Receivables [Abstract]  
Schedule of Allowance for Doubtful Accounts
Activity related to the allowance for doubtful accounts was as follows (in thousands):
 
2019
 
2018
Allowance for doubtful accounts, beginning
$
303

 
$
438

Provision for losses on accounts receivable
83

 
22

Write-offs and recoveries
(117
)
 
(157
)
Allowance for doubtful accounts, ending
$
269

 
$
303