Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Long-term Debt - Schedule of Long-term Debt (Details) (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Apr. 02, 2016
Dec. 31, 2017
Dec. 31, 2016
Debt issuance costs net   $ 115 $ 151
Revolving Credit [Member]      
Debt due date   Mar. 24, 2021  
Effective interest rate   4.10% 3.90%
Principal amount $ 190    
Term Loan [Member]      
Debt due date   Mar. 24, 2021  
Effective interest rate   4.60% 3.80%
Principal amount   $ 102 $ 102