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Supplemental Cash Flow Information - Summary of Supplemental Information to Consolidated Statements of Cash Flows (Detail) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Supplemental cash flow information:    
Cash paid for interest $ 898,757 $ 114,266
Cash flows from operating activities:    
Common stock issued for deferred compensation   260,000
Common stock issued for services and loan fees 198,858 366,025
Common stock warrant liability and revaluations   20,233,338
Common stock issued for warrant liability - cashless exercise 21,698,338  
Common stock issued for purchase of Quest Resource Management Group, LLC 55,000,000 17,332,975
Mezzanine financing reclassified to additional paid in capital   1,375,933
Discount to senior convertible note-related party 6,500,000 2,000,000
Related Party [Member]
    
Cash flows from operating activities:    
Common stock issued for conversion of notes payable, including accrued interest   6,389,042
Long-term senior secured convertible notes - related parties 22,000,000  
Notes Payable [Member]
    
Cash flows from operating activities:    
Common stock issued for conversion of notes payable, including accrued interest $ 3,148,493 $ 187,466