Note 1 - Basis of Presentation and Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Debt Securities, Held-to-Maturity [Table Text Block]

	Amortized Cost		Gross Unrealized Gain		Fair Value
Held to maturity U.S. Treasury securities	$	49,900	$	535	$	50,435