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Note 15 - Income Taxes (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Effective Income Tax Rate Reconciliation, Percent, Total	21.00%	26.40%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%
Puerto Rico Department of Treasury [Member]
Open Tax Year	2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
Domestic Tax Authority [Member]
Operating Loss Carryforwards, Total	$ 2.9
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Total	$ 8.6
Open Tax Year	2018 2019 2020 2021
Foreign Tax Authority [Member] | Canada Revenue Agency [Member]
Open Tax Year	2017 2018 2019 2020 2021

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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