XML 56 R44.htm IDEA: XBRL DOCUMENT v3.20.2
Notes Payable (Tables)
9 Months Ended
Sep. 30, 2020
Receivables [Abstract]  
Schedule of notes payable
   December 31,   September 30, 
   2019   2020 
Notes payable, net of debt discount   $2,846,736   $1,614,583