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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Sep. 28, 2018
Dec. 29, 2017
Allowance for Doubtful Accounts Receivable, Current $ 616 $ 350
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 60,000 60,000
Common stock, shares issued 44,104 41,383
Common stock, shares outstanding 44,104 41,383