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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2013
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information

16. Supplemental Cash Flow Information

The following is provided as supplemental information to the consolidated statements of cash flows:

 

     Years Ended December 31,  
     2013      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 conversion of related party debt, including accrued interest

    $ —         $ 6,389,042   

Common stock issued for conversion of notes payable, including accrued interest

    $ 3,148,493       $ 187,466   

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       $ —     

Long-term senior secured convertible notes – related parties

    $ 22,000,000       $ —     

Mezzanine financing reclassified to additional paid in capital

    $ —         $ 1,375,933     

Discount to senior convertible note-related party

    $ 6,500,000       $ 2,000,000