Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION (Details)

v3.2.0.727
SEGMENT INFORMATION (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
Segment Reporting Information [Line Items]          
Net revenues $ 59,350 $ 74,553 $ 114,493 $ 138,653  
Operating profit before depreciation and amortization 11,601   23,575    
Operating profit (loss) 9,491 $ 7,410 19,224 11,796  
Depreciation and amortization 2,110   4,351    
Capital expenditures 9,107   16,850 $ 4,127  
Goodwill and intangible assets, net 47,091   47,091   $ 47,985
Total assets 238,944   238,944   232,074
Product Sales [Member]          
Segment Reporting Information [Line Items]          
Net revenues 56,665   107,206    
Processing Fees [Member]          
Segment Reporting Information [Line Items]          
Net revenues 2,685   7,287    
Eliminations [Member]          
Segment Reporting Information [Line Items]          
Goodwill and intangible assets, net 0   0   0
Total assets (123,996)   (123,996)   (119,366)
Corporate [Member]          
Segment Reporting Information [Line Items]          
Net revenues 0   0    
Operating profit before depreciation and amortization (1,679)   (3,491)    
Operating profit (loss) (1,679)   (3,491)    
Depreciation and amortization 0   0    
Goodwill and intangible assets, net 0   0   0
Total assets 100,516   100,516   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 53,863   102,570    
Operating profit before depreciation and amortization 12,850   24,562    
Operating profit (loss) 11,902   22,519    
Depreciation and amortization 949   2,044    
Capital expenditures 6,204   13,019    
Goodwill and intangible assets, net 0   0   0
Total assets 180,025   180,025   172,945
Petrochemical [Member] | Operating Segments [Member] | Product Sales [Member]          
Segment Reporting Information [Line Items]          
Net revenues 52,342   99,525    
Petrochemical [Member] | Operating Segments [Member] | Processing Fees [Member]          
Segment Reporting Information [Line Items]          
Net revenues 1,521   3,045    
Specialty Wax [Member] | Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Net revenues 5,487   11,923    
Operating profit before depreciation and amortization 430   2,504    
Operating profit (loss) (732)   196    
Depreciation and amortization 1,161   2,307    
Capital expenditures 2,903   3,831    
Goodwill and intangible assets, net 47,091   47,091   47,985
Total assets 82,399   82,399   $ 79,135
Specialty Wax [Member] | Operating Segments [Member] | Product Sales [Member]          
Segment Reporting Information [Line Items]          
Net revenues 4,323   7,681    
Specialty Wax [Member] | Operating Segments [Member] | Processing Fees [Member]          
Segment Reporting Information [Line Items]          
Net revenues $ 1,164   $ 4,242