PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Property, plant and equipment
Property, plant and equipment, gross	$ 55,649		$ 55,649		$ 54,524
Less accumulated depreciation	(19,476)		(19,476)		(17,483)
Property, plant and equipment, net	36,173		36,173		37,041
Depreciation expense	1,198	$ 1,123	2,343	$ 2,133
Land
Property, plant and equipment
Property, plant and equipment, gross	974		974		996
Building and improvements
Property, plant and equipment
Property, plant and equipment, gross	9,487		9,487		9,324
Machinery, equipment, tools and dies
Property, plant and equipment
Property, plant and equipment, gross	37,275		37,275		37,426
Furniture, fixtures and other
Property, plant and equipment
Property, plant and equipment, gross	$ 7,913		$ 7,913		$ 6,778