Note 16 - Preferred Stock (Details Textual) - $ / shares $ / shares in Thousands	Dec. 31, 2022	Dec. 31, 2021
Preferred Stock, No Par Value (in dollars per share)	$ 0	$ 0
Preferred Stock, Shares Authorized (in shares)	1,000,000	1,000,000
Preferred Stock, Shares Issued, Total (in shares)	0	0