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Reconciliation of Basic and Diluted Net Income Per Share Computations and Number of Dilutive Equity Awards Included in Dilutive Net Income Per Share Computation (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 04, 2023	Mar. 29, 2022
Earnings Per Share [Abstract]
Net income	$ 3,481	$ 1,460
Weighted-average shares outstanding – basic	23,481	23,377
Dilutive effect of equity awards	445	339
Weighted-average shares outstanding – diluted	23,926	23,716
Net income per share:
Basic	$ 0.15	$ 0.06
Diluted	$ 0.15	$ 0.06

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-URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1505-109256

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

X

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1448-109256

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration