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Cash, Cash Equivalents and Short-Term Investments (Tables)
9 Months Ended
Sep. 30, 2020
Cash and Cash Equivalents [Abstract]  
Schedule of cash, cash equivalents and short-term investments

   As of
September 30,
2020
   As of
December 31,
2019
 
Cash and cash equivalents  $3,918,157   $6,293,293 
Short-term investments   1,992,538    2,480,753 
Total  $5,910,695   $8,774,046