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Other Information - Rule 10b5-1	6 Months Ended
	Jun. 30, 2023
Notes to Financial Statements
Issuer Rule 10b5-1, Material Terms [Text Block]	ITEM 5. OTHER INFORMATION During the second quarter of 2023, no director or officer adopted or terminated a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement.

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