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Debt (Long-term Debt) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Long-term debt $ 23,866 $ 23,291
Less current maturities (1,500) (10,964)
Total long-term debt 22,366 12,327
Senior Secured Notes [Member]    
Debt Instrument [Line Items]    
Long-term debt 23,366 16,791
Note discount $ 1,008 155
Debt Instrument, Implied Interest Rate 6.60%  
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 0 3,000
Seller Notes Due 2015 [Member]    
Debt Instrument [Line Items]    
Long-term debt 0 3,000
Seller Notes Due 2016 [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 500 $ 500