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Note 4 - Leases - Information Related to Lease Terms and Discount Rates (Details) | Jul. 04, 2021 | Dec. 31, 2020
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Operating leases (Year) | 5 years 8 months 12 days | 6 years 2 months 12 days
Finance leases (Year) | 4 years 3 months 18 days | 4 years 10 months 24 days
Operating leases | 8.00% | 8.00%
Finance leases | 10.00% | 10.20%

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