Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table disaggregates product sales by business segment by geography which provides information as to the major source of revenue. See Note 25 for additional description of our reportable business segments and the products being sold in each segment.

	For the year ended December 31, 2018
	Lithium Business		Ni-MH Batteries and Accessories		Consolidated
Primary Geographic Markets	$		$		$
China Mainland		111,255,771		31,173,443		142,429,214
Asia, others		100,595,601		18,659,965		119,255,566
Europe		5,330,496		19,152,307		24,482,803
North America		2,783,104		4,602,476		7,385,580
Others		-		378,798		378,798
Total sales		219,964,972		73,966,989		293,931,961

Contract with Customer, Asset and Liability [Table Text Block]

Contract liabilities consisted of the following,

	December 31, 2018		December 31, 2017		Change
		$		$		$	%
Contract liabilities		5,639,886		1,759,021		3,880,865	221	%