Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventories

 INVENTORIES:

	2014		2013
Raw materials	$	15,076	$	17,411
Work-in-progress		20,544		29,322
Finished goods		8,201		5,894
Supplies		10,892		11,502
	$	54,713	$	64,129