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Note 9 - Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | Apr. 26, 2023
Common Stock, Shares, Outstanding (in shares) | 28,035,613 |  |  |  |  | 28,035,613 |  | 25,333,870 |
Common Stock, Shares Authorized (in shares) | 245,000,000 |  |  |  |  | 245,000,000 |  | 245,000,000 |
Preferred Stock, Shares Authorized (in shares) | 5,000,000 |  |  |  |  | 5,000,000 |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) |  |  |  |  |  | 10 years |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | 0 |  |  |  |  | 0 | 0 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period (in shares) | 1,000 |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 700 |  |  |  |  | $ 700 |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  |  |  |  | 1 year 6 months |  |  |
Payments of Dividends |  |  |  |  |  | $ 0 | $ 1,192 |  |
Dividends and Interest Paid |  |  | $ 600 |  | $ 1,200 |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  | $ 5,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares) | 0 | 0 |  |  |  | 0 | 0 |  |
O 2023 Q1 Dividends [Member] |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) |  |  |  | $ 0.0225 |  |  |  |  |
O 2023 Q2 Dividends [Member] |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) |  |  | $ 0.0225 |  |  |  |  |  |
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense | $ 0 |  |  |  |  | $ 0 |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  |  |  | $ 900 | $ 2,000 |  |
Restricted Stock [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Share Price (in dollars per share) | $ 2 |  |  |  |  | $ 2 |  |  |

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