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Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Apr. 04, 2021	Jan. 03, 2021
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts receivable, current	$ 80	$ 58
Accumulated amortization on other assets	$ 594	$ 2,407
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	25,938,473	25,580,541
Common stock, shares outstanding	22,288,260	21,930,328
Treasury stock, shares	3,650,213	3,650,213

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Amount of accumulated amortization of debt issuance costs.

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