Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Stockholders' Equity (Details Textual)

v3.22.1
Note 9 - Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Jan. 12, 2016
Jul. 28, 2015
Common Stock, Dividends, Per Share, Declared (in dollars per share) $ 0.20 $ 0.20    
Dividends, Common Stock, Total $ 2.3 $ 2.3    
Stock Repurchase Program, Authorized Amount     $ 70.0 $ 15.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 21.9