Note 3 - Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

				Weighted Average
				Grant Date Price
	Shares			Restricted stock awards
Outstanding, December 31, 2023		235,172		$	4.21
Granted to employees and non-employee directors		10,715			5.32
Vested		(8,172	)		4.02
Outstanding, March 31, 2024		237,715			4.12

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

				Weighted Average
				Exercise Price
	Options			Per Option
Options outstanding, December 31, 2023		292,766		$	3.71
Exercised		(226,666	)		3.59
Options outstanding, March 31, 2024		66,100			4.12
Options exercisable, March 31, 2024		9,899			3.70