Note 12 - Fair Value Measurements (Details Textual) $ in Millions	Sep. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)
Interest Rate Swap [Member]
Derivative, Number of Instruments Held, Total	2
Interest Rate Swap, One [Member]
Derivative, Notional Amount		$ 52.7
Interest Rate Swap, Two [Member]
Derivative, Notional Amount	$ 22.1

The number of derivative instruments of a particular group held by the entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant