Quarterly report pursuant to Section 13 or 15(d)

Long-term Debt - Schedule of Long-term Debt (Details) (Parenthetical)

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Long-term Debt - Schedule of Long-term Debt (Details) (Parenthetical) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Apr. 01, 2016
Sep. 30, 2017
Dec. 31, 2016
Debt issuance costs net   $ (124) $ (151)
Revolving Credit [Member]      
Debt due date   Mar. 24, 2021 Mar. 24, 2021
Effective interest rate   4.20%  
Term Loan [Member]      
Debt due date   Mar. 24, 2021 Mar. 24, 2021
Effective interest rate   4.50%  
Principal amount $ 190 $ 102 $ 102