PROPERTY (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2009
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 39,228,000	$ 40,890,000
Less accumulated depreciation	14,270,000	12,433,000
Property, net	24,958,000	28,457,000
Impairment of property, plant and equipment	300,000	1,069,000
Lake Charles Facility [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,800,000
Impairment of property, plant and equipment	300,000	1,100,000	2,300,000
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	382,000	403,000
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	553,000	358,000
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Plant [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,582,000	14,362,000
Plant [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	25 years
Plant [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	30 years
Computer and Software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,437,000	1,407,000
Computer and Software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Computer and Software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	200,000	189,000
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,557,000	15,053,000
Machinery and Equipment [Member] | Lake Charles Facility [Member]
Property, Plant and Equipment [Line Items]
Property, net	400,000
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7,517,000	9,118,000
Idled Facility [Member] | Lake Charles Facility [Member]
Property, Plant and Equipment [Line Items]
Net book value of idled facility	$ 1,000,000