FINANCING ARRANGEMENTS AND LONG-TERM DEBT - Long-term Debt and Annual Maturities of Debt Obligations Tables (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Apr. 26, 2013
FINANCING ARRANGEMENTS AND LONG-TERM DEBT      
Long-term debt, total $ 50,781 $ 53,372  
Less current installments on long term debt 2,250 3,938  
Long-term debt 48,531 49,434  
Aggregate annual maturities of debt obligations      
2016 2,250    
2017 2,250    
2018 5,624    
2019 2,250    
2020 38,407    
Long-term debt, total 50,781 53,372  
Secured Debt      
FINANCING ARRANGEMENTS AND LONG-TERM DEBT      
Long-term debt, total 47,407 49,938  
Aggregate annual maturities of debt obligations      
Long-term debt, total 47,407 49,938  
Convertible Notes Payable | C C G H Limited      
FINANCING ARRANGEMENTS AND LONG-TERM DEBT      
Long-term debt, total 3,374 3,434 $ 1,100
Aggregate annual maturities of debt obligations      
Long-term debt, total $ 3,374 $ 3,434 $ 1,100