Construction in Progress (Tables)

6 Months Ended

Jun. 30, 2017

Schedule of Construction in Progress [Table Text Block]

		December 31,		June 30,
		2016		2017
Construction in progress	$	33,277,338	$	33,610,343
Prepayment for acquisition of property, plant and
equipment		179,705		400,585
Carrying amount	$	33,457,043	$	34,010,928