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Schedule II - Valuation and Qualifying Accounts and Reserves - Schedule of Valuation and Qualifying Accounts and Reserves (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Allowance for Doubtful Accounts [Member]    
Balance at Beginning of Period $ 1,432 $ 1,011
Charged to Costs and Expenses 650 629
Deduction (680) (208)
Balance at End of Period 1,402 1,432
Legal Reserve [Member]    
Balance at Beginning of Period 214 0
Charged to Costs and Expenses 455 214
Deduction (214) 0
Balance at End of Period $ 455 $ 214