Inventories: (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consisted of the following:

	September 30, 2014		December 31, 2013
Raw material	$	23,066	$	21,867
Work in process	4,188		2,749
Finished goods	10,994		9,835
Total	$	38,248	$	34,451