Note 2 - Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Proceeds from Notes Payable	$ 0	$ 105
Depreciation, Amortization and Accretion, Net	760	358
Capital Expenditures Incurred but Not yet Paid	3,547	22
Lease Obligation Incurred	$ 0	446
Reclassification From Payments on Notes Payable to Financing Arrangements [Member]
Repayments of Notes Payable		200
Reclassification From Proceeds From Notes Payable to Increases in Accrued Liabilities and Other Long-term Liabilities [Member]
Proceeds from Notes Payable		100
Revision of Prior Period, Reclassification, Adjustment [Member]
Depreciation, Amortization and Accretion, Net		200
Reclassification of Deferred Charges and Fixed Assets in AP [Member]
Capital Expenditures Incurred but Not yet Paid		$ 900