For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Note 1 - Basis of Presentation (Details Textual) - Sell-through Distributors Concentration Risk [Member]	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020	Jan. 02, 2021
Revenue Benchmark [Member]
Number of Distributors			2		2
Revenue Benchmark [Member] \| Distributors [Member]
Concentration Risk, Percentage	90.00%	82.00%	88.00%	81.00%
Accounts Receivable [Member] \| Large Distributor One [Member]
Concentration Risk, Percentage			55.00%		47.00%
Accounts Receivable [Member] \| Large Distributor Two [Member]
Concentration Risk, Percentage			29.00%		45.00%