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13. RELATED PARTY TRANSACTIONS (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
May 01, 2016
Dec. 31, 2015
Feb. 23, 2015
Accounts receivable   $ 793   $ 1,578
Long-term notes payable-Subordinated $ 10,173   $ 8,918  
GGE [Member]        
Long-term notes payable-Secured Promissory Notes, net of discount (13,319)      
Long-term notes payable-Subordinated (10,173)      
Net assets $ (23,492)