Other Income (Tables)

12 Months Ended

Dec. 31, 2016

Other Income [Abstract]

Other Income [Table Text Block]

		2016		2015		2014
Gain on Tucson, AZ asset sale (a)	$	-	$	(2,279)	$	-
Foreign currency losses (gains)		12		(1,616)		(422)
Remeasurement gain on equity method investment (b)		-		(580)		-
Legal settlement gain (c)		-		(460)		-
Other		(1,535)		(650)		(256)
	$	(1,523)	$	(5,585)	$	(678)