Concentrations and Credit Risk (Tables)

3 Months Ended

Mar. 31, 2018

SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS [Table Text Block]

		Three months ended March 31,
		2017			2018
Customer A	$	*	*	$	1,162,051	35.08%
Customer B		*	*		693,347	20.93%
Customer C		*	*		383,773	11.58%
Customer D		*	*		374,213	11.30%
Customer E		3,110,679	83.71%		*	*

SCHEDULE OF ACCOUNTS RECEIVABLE BY MAJOR CUSTOMER [Table Text Block]

		December 31, 2017			March 31, 2018
Customer F	$	23,835,201	62.08%	$	24,711,459	74.8%
Customer G		4,855,518	12.65%		3,870,731	11.7%
Customer H		4,664,285	12.15%		*	*

SCHEDULE OF TRANSACTIONS WITH THE FORMER SUBSIDIARIES [Table Text Block]

		Three months ended March 31,
		2017		2018
Purchase of inventories from
BAK Tianjin	$	-	$	480
Shenzhen BAK		2,362,444		-
Zhengzhou BAK Battery Co., Ltd*		12,457		-
Sales of finished goods to
BAK Tianjin		26,546		10,080
Shenzhen BAK		60,797		-
Zhengzhou BAK Battery Co., Ltd*	$	13,648	$	-