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CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)
$ in Thousands
Dec. 29, 2018
Dec. 30, 2017
Statement of Financial Position [Abstract]    
Allowances for receivables $ 3,656 $ 2,762
Debt discount, current 64 0
Debt discount, non-current $ 12,665 $ 3,792
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 9,293,794 9,100,923
Common stock, shares outstanding 9,293,794 9,100,923