XML 35 R36.htm IDEA: XBRL DOCUMENT v3.19.3
Construction in Progress (Tables)
 9 Months Ended
Sep. 30, 2019
Construction in Progress [Abstract]  
Schedule of construction in progress

   December 31,   September 30, 
   2018   2019 
Construction in progress  $23,562,557   $20,211,782 
Prepayment for acquisition of property, plant and equipment   1,439,256    133,733 
Carrying amount  $25,001,813   $20,345,515