Note 15 - Income Taxes - Income Tax Provision Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Federal statutory rate	21.00%	21.00%
Tax expense on taxable (loss) income at federal statutory rate	$ 2,922	$ (2,532)
State and Puerto Rico income taxes, net of Federal income tax benefit	519	(535)
Remeasurement of contingent consideration	(359)	0
Intangible asset deferred tax liability true-up	491	0
Foreign income tax rates	89	(21)
Adjustments to prior year federal taxes	46	(53)
Other	(12)	(201)
Total income tax expense	2,925	(3,188)
Domestic Tax Authority [Member]
Permanent differences	(114)	154
Foreign Tax Authority [Member]
Permanent differences	$ (657)	$ 0