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Employee Benefit Plans (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Retirement Benefits [Abstract]    
Defined contribution plan, maximum annual contributions per employee, percent 33.30%  
Defined contribution plan, employer matching contribution, percent of match 6.00%  
Defined contribution plan, employer matching contribution, percent of employees' gross pay 2.00%  
Defined benefit plan, contributions by employer $ 300 $ 300