Note 10 - Income Taxes (Details Textual)			3 Months Ended			6 Months Ended
	Jun. 27, 2023	Jun. 26, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Effective Income Tax Rate Reconciliation, Percent			21.30%		27.10%	8.10%	29.60%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent				21.00%
Kenya [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	30.00%	37.50%