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DISTRIBUTION AGREEMENTS (Schedule of Future Amortization Expense) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Estimated future amortization expense:    
Total $ 9,670 $ 9,711
Distribution Agreements [Member]    
Estimated future amortization expense:    
2016 1,540  
2017 1,540  
2018 1,540  
2019 1,540  
2020 1,540  
Thereafter 979  
Total $ 8,679