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Long-term Debt (Details Narrative) - USD ($)
$ in Thousands
1 Months Ended
Jun. 30, 2015
Dec. 31, 2017
Debt Instrument [Line Items]    
Long-term Debt, Maturities, 2017   $ 21,000
Long-term Debt, Maturities, 2018   21,000
Long-term Debt, Maturities, 2019   21,000
Long-term Debt, Maturities, 2020   $ 11,000
Term Loan [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Face Amount $ 111,000  
Debt Instrument, Term 5 years  
Debt Instrument, Interest Rate During Period 1.20%