Segment Information (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Schedule Of Total Assets By Geographic Area [Table Text Block]

	December 31,
	2016		2015
			(Restated)
Assets
Mainland China	$	196,276	$	173,572
Hong Kong		15,079		29,355
Total Assets	$	211,355	$	202,927

Revenue from External Customers by Products and Services [Table Text Block]

	For the year ended December 31,
	2016		2015		2014
Sales
Inactivated hepatitis vaccines	$	20,596	$	49,416	$	48,450
Influenza vaccines		9,829		12,674		12,131
Enterovirus 71 vaccines		35,140		-		-
H5N1		6,389		3,852		201
Mumps		477		1,472		2,150
Total Sales	$	72,431	$	67,414	$	62,932

Schedule Of Entity Wide Information Revenue From External Customers By Geographic Area [Table Text Block]

	For the year ended December 31,
	2016		2015		2014
Sales
Mainland China	$	71,184	$	66,779	$	61,955
Foreign countries		1,247		635		977
Total Sales	$	72,431	$	67,414	$	62,932