Payables to Former Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of Trade Payable To a Former Subsidiary [Table Text Block]

		December 31,		March 31,
		2017		2018
BAK Tianjin	$	282,682	$	285,443
BAK Shenzhen		22,020,039		21,036,545
	$	22,302,721	$	21,321,988