Note 15 - Income Taxes - Income Tax Provision Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Federal statutory rate	21.00%	21.00%	21.00%
Tax expense on taxable (loss) income at federal statutory rate	$ 5,981	$ 2,922	$ (2,532)
State and Puerto Rico income taxes, net of Federal income tax benefit	1,373	519	(535)
Excess tax deduction over GAAP deduction for equity awards vested in current year	161	0	0
Remeasurement of contingent consideration	0	(359)	0
Intangible asset deferred tax liability true-up	0	491	0
Foreign income tax rates	15	89	(21)
Adjustments to prior year federal taxes	0	46	(53)
Other	113	(12)	(201)
Total income tax expense (benefit)	7,591	2,925	(3,188)
Domestic Tax Authority [Member]
Permanent differences	(52)	(114)	154
Foreign Tax Authority [Member]
Permanent differences	$ 0	$ (657)	$ 0