Note 15 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Deferred tax assets:
Allowance for doubtful accounts	$ 270	$ 297	$ 455
Federal and state net operating loss carryforward	0	1,153	2,634
Reserves and accruals	851	800	881
Lease liability	1,118	844	1,174
Other	220	314	318
Total deferred tax assets	2,459	3,408	5,462
Deferred tax liabilities:
Acquisition amortization, net	(1,696)	(1,428)	(716)
Prepaid expense deferral	(872)	(552)	(602)
Bonus depreciation to be reversed	(433)	(392)	(280)
Right of use assets	(953)	(501)	(564)
Canada deferred tax liability, net	(166)	(142)	(365)
Total deferred tax liabilities	(4,120)	(3,015)	(2,527)
Total deferred tax (liabilities) assets, net	$ (1,661)
Total deferred tax (liabilities) assets, net		$ 393	$ 2,935