Note 18 - Subsequent Event	12 Months Ended
Mar. 31, 2023
Notes to Financial Statements
Subsequent Events [Text Block]	18. Subsequent Event On May 23, 2023, the Company entered into Second Amended and Restated Loan and Guaranty Agreement Amendment 1 with Farm Credit East, ACA (“the Amendment”). The Amendment amends, restates and replaces in its entirety Term Loan A-2 (as defined in Note 7, Long-Term Debt) and provides a single advance term facility in the principal amount of $125.0 million to be combined with the existing $173.5 million Term Loan A-2 into one single $298.5 million term loan (“Amended Term Loan A-2”). Amended Loan Term A-2 is secured by a portion of the Company’s property, plant and equipment and bears interest at a variable interest rate based upon SOFR plus an additional margin determined by the Company’s leverage ratio.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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