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PROPERTY 10K (Details) (USD $)
3 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Lake Charles Facility [Member]
Dec. 31, 2012
Lake Charles Facility [Member]
Dec. 31, 2009
Lake Charles Facility [Member]
Mar. 31, 2014
Land [Member]
Dec. 31, 2013
Land [Member]
Dec. 31, 2012
Land [Member]
Mar. 31, 2014
Furniture and Fixtures [Member]
Dec. 31, 2013
Furniture and Fixtures [Member]
Dec. 31, 2012
Furniture and Fixtures [Member]
Dec. 31, 2013
Furniture and Fixtures [Member]
Minimum [Member]
Dec. 31, 2013
Furniture and Fixtures [Member]
Maximum [Member]
Mar. 31, 2014
Plant [Member]
Dec. 31, 2013
Plant [Member]
Dec. 31, 2012
Plant [Member]
Dec. 31, 2013
Plant [Member]
Minimum [Member]
Dec. 31, 2013
Plant [Member]
Maximum [Member]
Mar. 31, 2014
Computer and Software [Member]
Dec. 31, 2013
Computer and Software [Member]
Dec. 31, 2012
Computer and Software [Member]
Dec. 31, 2013
Computer and Software [Member]
Minimum [Member]
Dec. 31, 2013
Computer and Software [Member]
Maximum [Member]
Mar. 31, 2014
Leasehold Improvements [Member]
Dec. 31, 2013
Leasehold Improvements [Member]
Dec. 31, 2012
Leasehold Improvements [Member]
Dec. 31, 2013
Leasehold Improvements [Member]
Minimum [Member]
Dec. 31, 2013
Leasehold Improvements [Member]
Maximum [Member]
Mar. 31, 2014
Machinery and Equipment [Member]
Dec. 31, 2013
Machinery and Equipment [Member]
Dec. 31, 2012
Machinery and Equipment [Member]
Dec. 31, 2013
Machinery and Equipment [Member]
Lake Charles Facility [Member]
Dec. 31, 2013
Machinery and Equipment [Member]
Minimum [Member]
Dec. 31, 2013
Machinery and Equipment [Member]
Maximum [Member]
Mar. 31, 2014
Construction in Progress [Member]
Dec. 31, 2013
Construction in Progress [Member]
Dec. 31, 2012
Construction in Progress [Member]
Dec. 31, 2013
Idled Facility [Member]
Lake Charles Facility [Member]
Property, Plant and Equipment [Line Items]                                                                                
Property, plant and equipment, gross $ 43,185,000   $ 39,228,000 $ 40,890,000 $ 3,800,000     $ 388,000 $ 382,000 $ 403,000 $ 562,000 $ 553,000 $ 358,000     $ 15,012,000 $ 14,582,000 $ 14,362,000     $ 1,502,000 $ 1,437,000 $ 1,407,000     $ 394,000 $ 200,000 $ 189,000     $ 15,740,000 $ 14,557,000 $ 15,053,000       $ 9,587,000 $ 7,517,000 $ 9,118,000  
Less accumulated depreciation 15,381,000   14,270,000 12,433,000                                                                        
Property, net 27,804,000   24,958,000 28,457,000                                                           400,000            
Estimated useful lives                           5 years 10 years       25 years 30 years       3 years 5 years       3 years 7 years         5 years 10 years        
Impairment of property, plant and equipment 0 300,000 300,000 [1] 1,069,000 300,000 1,100,000 2,300,000                                                                  
Net book value of idled facility                                                                               $ 1,000,000
[1] Machinery and equipment not currently in use was evaluated for impairment and as a result was written down to estimated fair value in the first quarter of 2013 and the second quarter of 2012. Fair value is an estimate of net realizable value comprised of an estimate of proceeds from sale, based on an internal evaluation of market conditions, less estimated costs to sell. The estimate of net realizable value is subject to change.