Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION (Details)

v3.3.0.814
SEGMENT INFORMATION (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Segment Reporting Information [Line Items]          
Net revenues $ 66,938 $ 76,917 $ 181,431 $ 215,571  
Operating profit before depreciation and amortization 13,375   36,949    
Operating profit (loss) 11,063 $ 8,827 30,287 $ 20,623  
Depreciation and amortization 2,312   6,662    
Capital expenditures 6,623   23,473    
Goodwill and intangible assets, net 46,817   46,817   $ 47,985
Total assets 246,771   246,771   232,074
Product Sales [Member]          
Segment Reporting Information [Line Items]          
Net revenues 63,190   170,396    
Processing Fees [Member]          
Segment Reporting Information [Line Items]          
Net revenues 3,748   11,035    
Eliminations [Member]          
Segment Reporting Information [Line Items]          
Goodwill and intangible assets, net 0   0   0
Total assets (129,141)   (129,141)   (119,366)
Corporate [Member]          
Segment Reporting Information [Line Items]          
Net revenues 0   0    
Operating profit before depreciation and amortization (1,654)   (5,145)    
Operating profit (loss) (1,672)   (5,163)    
Depreciation and amortization 18   18    
Capital expenditures     0    
Goodwill and intangible assets, net 0   0   0
Total assets 101,581   101,581   99,360
Corporate [Member] | Product Sales [Member]          
Segment Reporting Information [Line Items]          
Net revenues 0   0    
Corporate [Member] | Processing Fees [Member]          
Segment Reporting Information [Line Items]          
Net revenues 0   0    
Petrochemical [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Net revenues 60,486   163,056    
Operating profit before depreciation and amortization 13,636   38,197    
Operating profit (loss) 12,557   35,075    
Depreciation and amortization 1,079   3,122    
Capital expenditures 4,857   17,876    
Goodwill and intangible assets, net 0   0   0
Total assets 189,537   189,537   172,945
Petrochemical [Member] | Operating Segments [Member] | Product Sales [Member]          
Segment Reporting Information [Line Items]          
Net revenues 59,122   158,647    
Petrochemical [Member] | Operating Segments [Member] | Processing Fees [Member]          
Segment Reporting Information [Line Items]          
Net revenues 1,364   4,409    
Specialty Wax [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Net revenues 6,452   18,375    
Operating profit before depreciation and amortization 1,393   3,897    
Operating profit (loss) 178   375    
Depreciation and amortization 1,215   3,522    
Capital expenditures 1,766   5,597    
Goodwill and intangible assets, net 46,817   46,817   47,985
Total assets 84,794   84,794   $ 79,135
Specialty Wax [Member] | Operating Segments [Member] | Product Sales [Member]          
Segment Reporting Information [Line Items]          
Net revenues 4,068   11,749    
Specialty Wax [Member] | Operating Segments [Member] | Processing Fees [Member]          
Segment Reporting Information [Line Items]          
Net revenues $ 2,384   $ 6,626