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Prepayments and Other Current Assets
 12 Months Ended
Dec. 31, 2021
Prepayments And Other Current Assets  
Prepayments and Other Current Assets

 

4.Prepayments and Other Current Assets

 

Prepayments and other current assets are summarized as follows:

   2021   2020 
   As of December 31, 
   2021   2020 
Prepaid expenses  $3,467,075   $3,400,080 
Prepaid software license   128,525    378,488 
Refundable income and franchise taxes   744,642    733,553 
Security deposits   -    92,494 
Other receivables   407,605    62,648 
Prepayments and other current assets  $4,747,847   $4,667,263