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Investment in Quest Resource Management Group, LLC - Summary of Financial Condition and Operating Results of Quest Recycling Services (Detail) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Ownership Interests [Line Items]    
Net sales $ 67,504,540 $ 1,145,637
Gross profit 5,073,870 1,109,616
Income (loss) from operations (12,805,388) (23,444,717)
Net income (loss) (17,799,351) (42,151,493)
Equity in Quest Resource Management Group, LLC income 667,316 1,964,540
Current assets 23,930,912 702,052
Total assets 100,646,543 5,261,949
Current liabilities 29,289,520 1,302,346
Total liabilities and stockholders' equity (deficit) 100,646,543 5,261,949
Quest Resource Management Group, LLC [Member]
    
Ownership Interests [Line Items]    
Net sales 135,211,874 130,621,675
Gross profit 10,436,628 12,934,339
Income (loss) from operations (3,684,856) 4,005,383
Net income (loss) (3,788,086) 3,883,788
Current assets   20,718,638
Long-term assets   2,118,295
Total assets   22,836,933
Current liabilities   17,925,175
Long-term liabilities     
Equity   4,911,758
Total liabilities and stockholders' equity (deficit)   22,836,933
Quest Resource Management Group, LLC [Member] | 50% ownership interest [Member]
    
Ownership Interests [Line Items]    
Equity in Quest Resource Management Group, LLC income 667,316 1,964,540
Quest Resource Management Group, LLC [Member] | 100% ownership interest [Member]
    
Ownership Interests [Line Items]    
Equity in Quest Resource Management Group, LLC income      
Quest Resource Management Group, LLC [Member] | Consolidated amounts subsequent to July 16, 2013 [Member]
    
Ownership Interests [Line Items]    
Net sales 66,335,172  
Gross profit 4,082,526  
Income (loss) from operations (5,075,480)  
Net income (loss) $ (5,126,033)