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CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) - USD ($) $ in Thousands	Dec. 25, 2021	Dec. 26, 2020
Statement of Financial Position [Abstract]
Current unamortized debt issuance costs	$ 5	$ 5
Noncurrent unamortized debt issuance costs	$ 65	$ 70
Preferred stock par value (in USD per share)	$ 0.001	$ 0.001
Preferred stock authorized (in shares)	10,000,000	10,000,000
Preferred stock issued (in shares)	0	0
Preferred stock outstanding (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	250,000,000	250,000,000
Common stock issued (in shares)	78,240,506	77,437,997
Common stock outstanding (in shares)	78,240,506	77,437,997

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Face amount or stated value per share of common stock.

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