Note 9 - Related Parties and Related-party Transactions	6 Months Ended
Jun. 30, 2023
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	9. Related Parties and Related-Party Transactions There were no material related party transactions during the six months ended June 30, 2023 and 2022.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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