Note 12 - Subsequent Event (Details Textual) - $ / shares |
3 Months Ended | |||
|---|---|---|---|---|
May 03, 2021 |
Feb. 08, 2021 |
Mar. 31, 2021 |
Mar. 31, 2020 |
|
| Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.20 | $ 0.20 | $ 0.20 | |
| Subsequent Event [Member] | ||||
| Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.20 | |||
| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|