Quarterly report pursuant to Section 13 or 15(d)

D. ACCOUNTS RECEIVABLE (Tables)

v3.20.1
D. ACCOUNTS RECEIVABLE (Tables)
3 Months Ended
Mar. 31, 2020
Receivables [Abstract]  
Schedule of accounts receivable

Components of accounts receivable as of March 31, 2020 and December 31, 2019 are as follows:

 

    March 31,
2020
  December 31,
2019
Accounts receivable   $ 1,396,924     $ 2,338,626  
Allowance for doubtful accounts     (74,334 )     (55,039 )
Accounts receivable, net   $ 1,322,590     $ 2,283,587