XML 48 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Construction in Progress (Tables)
 9 Months Ended
Sep. 30, 2018
Schedule of Construction in Progress [Table Text Block]
    December 31,     September 30,  
    2017     2018  
Construction in progress $ 24,288,889   $ 19,504,361  
Prepayment for acquisition of property, plant and equipment   740,401     2,252,061  
Carrying amount $ 25,029,290   $ 21,756,422