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6. DEBT (Tables)
12 Months Ended
Dec. 31, 2014
Debt Disclosure [Abstract]  
Long Term Debt
   December 31, 2014   December 31, 2013 
Kinergy operating line of credit  $17,530   $19,042 
Plant Owners’ third-party term debt   17,003    31,678 
Plant Owners’ lines of credit       35,378 
Senior unsecured notes       13,984 
Note payable to related party       750 
    34,533    100,832 
Less: Unamortized discount on senior unsecured notes       (1,674)
    34,533    99,158 
Less short-term portion       (750)
Long-term debt  $34,533   $98,408