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Stockholders’ Equity (Details 5) - $ / shares
shares in Thousands
12 Months Ended
Dec. 30, 2016
Jan. 01, 2016
Jan. 02, 2015
Schedule of Nonvested Options Activity [Line Items]      
Options, Granted during the year 781    
Granted, Weighted Average Grant Date Fair Value $ 3.77 $ 4.14 $ 6.81
Nonvested Stock Options [Member]      
Schedule of Nonvested Options Activity [Line Items]      
Options, Unvested at January 1, 2016 1,548    
Options, Granted during the year 781    
Options, Forfeited or expired during the year (361)    
Options, Vested during the year (1,306)    
Options, Unvested at December 30, 2016 662 1,548  
Unvested at January 1, 2016, Weighted-Average Grant-Date Fair Value $ 4.34    
Granted, Weighted Average Grant Date Fair Value 3.77    
Forfeited or expired during the year, Weighted Average Grant Date Fair Value 5.10    
Vested during the year, Weighted Average Grant Date Fair Value 5.37    
Unvested at December 30, 2016, Weighted Average Grant Date Fair Value $ 3.84 $ 4.34