Note N - Lease Liabilities - Future Minimum Rental Commitments Under Noncancellable Leases (Details) $ in Thousands	Mar. 27, 2020 USD ($)
2020, Operating Leases	$ 746
2020, Finance Leases	62
2021, Operating Leases	2,570
2021, Finance Leases	249
2022, Operating Leases	2,098
2022, Finance Leases	249
2023, Operating Leases	1,946
2023, Finance Leases	241
2024, Operating Leases	1,743
2024, Finance Leases	208
Thereafter, Operating Leases	12,241
Thereafter, Finance Leases	32
Total future lease payments, Operating Leases	21,344
Total future lease payments, Finance Leases	1,041
Less: Amount representing interest, Operating Leases	(6,941)
Less: Amount representing interest, Finance Leases	(148)
Present value of future payments, Operating Leases	14,403
Present value of future payments, Finance Leases	$ 893