Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2016		2015
			(Restated)
Raw materials	$	2,251	$	2,450
Work in progress		1,387		3,636
Finished goods		10,464		12,569
Total inventories	$	14,102	$	18,655