Note 10 - Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions |
1 Months Ended | 6 Months Ended | 12 Months Ended | ||
---|---|---|---|---|---|
Jan. 31, 2023 |
Jun. 30, 2023 |
Dec. 31, 2022 |
Mar. 31, 2022 |
Jul. 31, 2015 |
|
Share Repurchase Program Authorized in July 2015 [Member] | |||||
Stock Repurchase Program, Authorized Amount | $ 25 | ||||
Treasury Stock, Shares, Acquired (in shares) | 0 | 0 | |||
Share Repurchase Program Authorized in March 2022 [Member] | |||||
Stock Repurchase Program, Authorized Amount | $ 3 | ||||
Treasury Stock, Shares, Acquired (in shares) | 25,096 | ||||
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 4.09 |