Note 17 - Employee Stock Purchase Plan (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 23, 2021
Stock Issued During Period, Value, Employee Stock Purchase Plan	$ 233	$ 50
Share Price (in dollars per share)	$ 10.30	$ 12.72	$ 7.63	$ 6.82	$ 10.73
Share-based Compensation Arrangement by Share-based Payment Award, Discount Amount	$ 36	$ 8
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)						250,000
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)	27,162	3,991
Stock Issued During Period, Value, Employee Stock Purchase Plan	$ 197	$ 43
Shares Issued, Price Per Share (in dollars per share)	$ 8.76	$ 10.81	$ 6.49	$ 5.80	$ 9.12
Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Purchase Date	15.00%	15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Discount Amount	$ 36	$ 8