Note 14 - Fair Value of Financial Instruments (Details Textual) - USD ($)	Dec. 26, 2020	Mar. 31, 2020	Dec. 28, 2019
Long-term Debt, Gross	$ 98,577,000	$ 217,581,000	$ 225,337,000
Long-term Debt, Fair Value	$ 99,225,000	$ 217,559,000	$ 225,287,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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