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Cash and Cash Equivalents and Restricted Cash (Tables)
 12 Months Ended
Dec. 31, 2021
Disclosure of restricted cash and cash equivalents [text block] [Abstract]  
Schedule of cash and cash equivalents and restricted cash
   As of December 31, 
   2021   2020 
Cash on hand  $349,846   $392,803 
Cash in bank   12,378,937    8,021,241 
Subtotal   12,728,783    8,414,044 
Restricted cash   3,125,028    1,715,866 
Cash, cash equivalents, and restricted cash  $15,853,811   $10,129,910