Note 10 - Derivative Financial Instruments - Foreign Currency Exchange Contracts (Details) $ in Thousands, ¥ in Billions	Dec. 31, 2023 CAD ($)	Dec. 31, 2023 JPY (¥)	Jun. 30, 2023 CAD ($)	Jun. 30, 2023 JPY (¥)
Foreign Exchange Contract [Member]
Derivative, Notional Amount	$ 0	¥ 4.2	$ 16,600	¥ 2.1

Nominal or face amount used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant