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2. ACCOUNTS RECEIVABLE, NET
 12 Months Ended
Dec. 31, 2019
Accounts Receivable, after Allowance for Credit Loss [Abstract]  
ACCOUNTS RECEIVABLE, NET

The Company’s accounts receivable balance is net of an allowance for doubtful accounts of $10,000 and $7,098 at December 31, 2019 and 2018, respectively. Changes in the allowance for doubtful accounts are as follows:

 

    Year ended December 31,  
    2019     2018  
             
Balance at Beginning of Period   $ 7,098     $ 3,977  
Charged to costs and expenses     2,902       4,618  
Write-offs, net of recoveries     -       (1,497 )
                 
Balance at End of Period   $ 10,000     $ 7,098