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Cash, Cash Equivalents and Short-Term Investments (Tables)
12 Months Ended
Dec. 31, 2020
Cash and Cash Equivalents [Abstract]  
Schedule of cash, cash equivalents and short-term investments

   As of
December 31,
2020
   As of
December 31,
2019
 
Cash and cash equivalents  $6,949,937   $6,293,293 
Short-term investments   996,495    2,480,753 
Total  $7,946,432   $8,774,046