Note 16 - Subsequent Events (Details Textual) - Subsequent Event [Member]	Sep. 28, 2022 $ / shares
Quarterly Dividend [Member]
Dividends Payable, Amount Per Share (in dollars per share)	$ 0.015
Dividend Payable, Maximum Payment Term (Day)	45 days
Dividends Payable, Date Declared	Sep. 28, 2022
Dividends Payable, Date of Record	Oct. 17, 2022
Dividends Payable, Date to be Paid	Nov. 15, 2022
Yearly Dividends [Member]
Dividends Payable, Amount Per Share (in dollars per share)	$ 0.06
Dividend Payable, Yield	1.06%