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CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)
$ in Thousands
Jul. 03, 2021
Jan. 02, 2021
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 5,140 $ 4,123
Debt discount, current 0 74
Debt discount, noncurrent $ 2,184 $ 8,936
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 20,000,000 20,000,000
Common stock, shares outstanding (in shares) 9,709,613 9,462,774