Note 12 - Schedule of Shares Issued (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Employee Benefit Plans (Details) - Employee Stock Purchase Plan [Line Items]
Shares	5,102	4,906	5,723
Maximum [Member]
Employee Benefit Plans (Details) - Employee Stock Purchase Plan [Line Items]
Price per share	$ 29.48	$ 32.29	$ 25.56
Minimum [Member]
Employee Benefit Plans (Details) - Employee Stock Purchase Plan [Line Items]
Price per share	$ 24.21	$ 27.36	$ 25.52