Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Components Of Long-Term Debt) (Details)

v3.10.0.1
Long-Term Debt (Components Of Long-Term Debt) (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2017
Line Of Credit Facility And Long Term Debt [Line Items]      
Capital leases $ 104    
Unamortized discount     $ (814)
Total carrying amount of long-term debt 16,104 $ 20,842  
Less current portion (40)    
Long-term debt, net 16,064 20,842  
Revolving Credit Facility [Member]      
Line Of Credit Facility And Long Term Debt [Line Items]      
Revolving credit facility (a) $ 16,000 $ 20,842