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Note 4 - Leases (Details Textual) - USD ($) |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 28, 2025 | Sep. 28, 2025 | Sep. 28, 2025 | Sep. 29, 2024 | Dec. 31, 2024
Lessee, Operating Lease, Renewal Term | 5 years | 5 years | 5 years |  |
Proceeds from Sale of Property, Plant, and Equipment |  |  | $ 2,920,000 | $ 0 |
Sale and Leaseback Transaction, Gain (Loss), Net |  |  | 2,506,000 | $ (0) |
Operating Lease, Right-of-Use Asset | $ 7,694,000 | $ 7,694,000 | 7,694,000 |  | $ 3,749,000
Operating Lease, Liability | $ 7,971,000 | $ 7,971,000 | $ 7,971,000 |  | $ 4,157,000
Land and Building in Toluca, Mexico [Member] |  |  |  |  |
Lessee, Operating Lease, Term of Contract | 5 years | 5 years | 5 years |  |
Operating Lease, Right-of-Use Asset | $ 2,486,000 | $ 2,486,000 | $ 2,486,000 |  |
Financing Lease, Increase/Decrease During Period | 3,645,000 |  |  |  |
Operating Lease, Liability | 2,486,000 | 2,486,000 | 2,486,000 |  |
Sale of Facility in Louisville, Kentucky [Member] |  |  |  |  |
Sale Leaseback Transaction, Net Book Value | 414,000 | 414,000 | $ 414,000 |  |
Proceeds From Sale, Loan, and Lease, Held-for-investment, Gross |  | 3,200,000 |  |  |
Lease Transaction Costs |  | 280,000 |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  | 2,920,000 |  |  |
Sale Leaseback Transaction, Lease Term (Year) |  |  | 20 years |  |
Sale Leaseback Transaction, Initial Annual Payment |  |  | $ 280,000 |  |
Operating Lease, Payments, Percentage Annual Increase |  |  | 3.00% |  |
Sale and Leaseback Transaction, Gain (Loss), Net |  | 2,506,000 |  |  |
Operating Lease, Right-of-Use Asset | 2,205,000 | 2,205,000 | $ 2,205,000 |  |
Operating Lease, Liability | $ 2,205,000 | $ 2,205,000 | $ 2,205,000 |  |
Minimum [Member] |  |  |  |  |
Lessee, Operating Lease, Term of Contract | 10 years | 10 years | 10 years |  |
Maximum [Member] |  |  |  |  |
Lessee, Operating Lease, Term of Contract | 20 years | 20 years | 20 years |  |

X
- Definition The amount of increase/decrease to the balance of financing leases during the reporting period. + References No definition available. + Details
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- Definition The amount of lease transaction costs. + References No definition available. + Details
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- Definition The percentage annual increase to operating lease payments. + References No definition available. + Details
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- Definition The gross cash inflow from (a) sales of loans held-for-investment, (b) sales of leases held-for-investment, and (c) both. Includes proceeds from securitizations of loans. + References No definition available. + Details
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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- Definition Lease term for sale and leaseback transaction, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479741/842-40-50-2 + Details
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