4. PROPERTY, PLANT AND EQUIPMENT (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Building and improvements	Dec. 31, 2013 Leasehold Improvements	Dec. 31, 2013 Equipment	Dec. 31, 2013 Furniture, computers and office equipment
Property Plant And Equipment
Land	$ 1,582	$ 1,582
Buildings and improvements	1,571	1,555
Leasehold improvements	602	221
Equipment	17,840	14,251
Furniture, computers and office equipment	1,329	1,248
Construction in progress	189	487
Total property, plant and equipment	23,113	19,344
Less: Accumulated depreciation and amortization	(7,718)	(6,241)
Property, plant and equipment, net	$ 15,395	$ 13,103
Range of Asset Lives			7 to 36 years	2 to 5 years	2 to 30 years	2 to 8 years