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ACCOUNTS RECEIVABLE
 12 Months Ended
Dec. 31, 2021
Receivables [Abstract]  
ACCOUNTS RECEIVABLE

4. Accounts Receivable

 SCHEDULE OF ACCOUNTS RECEIVABLE

   2021   2020 
         
Accounts receivable  $7,403,308   $6,161,249 
Allowances for doubtful accounts   (273,979)   (271,436)
Total accounts receivable  $7,129,329   $5,889,813