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ACCOUNTS RECEIVABLE, NET
3 Months Ended
Mar. 31, 2023
ACCOUNTS RECEIVABLE, NET [Abstract]  
ACCOUNTS RECEIVABLE, NET
NOTE 4 - ACCOUNTS RECEIVABLE, NET

Accounts receivable, net is summarized as follows:
   
March 31,
2023
   
December 31,
2022
 
Accounts receivable
 
$
4,686,735
   
$
2,526,432
 
Less: provision for doubtful accounts
   
(1,953,901
)
   
(1,961,034
)
Accounts receivable, net
 
$
2,732,834
   
$
565,398
 

The changes in the provision for doubtful accounts are as follows:
   
For the Three Months Ended March 31,
 
   
2023
   
2022
 
Balance at the beginning of the period
 
$
1,961,034
   
$
1,475,983
 
Additions
   
-
     
-
 
Write-off
   
(11,402
)
   
-
 
Foreign exchange
   
4,269
     
6,362
 
Balance at the end of the year
 
$
1,953,901
   
$
1,482,345