Note 13 - Stock-Based Compensation - Stock Options Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2023
Balance (in shares)	75	93	121	186
Weighted average price balance (in dollars per share)	$ 24.5	$ 27.49	$ 28.46	$ 32.09
Forfeited or expired (in shares)	(15)	(18)	(28)	(65)
Weighted average price, forfeited or expired (in dollars per share)	$ 45.22	$ 39.72	$ 31.68	$ 38.83
Balance (in shares)	60	75	93	121
Weighted average price balance (in dollars per share)	$ 19.45	$ 24.5	$ 27.49	$ 28.46
Weighted average remaining, balance (Year)	2 years 3 months 7 days
Balance	$ 86				$ 0

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Topic 718
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-Paragraph 2
-Subparagraph (c)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Name Accounting Standards Codification
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