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Note 9 - Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 05, 2022 | Aug. 31, 2023 | Jun. 30, 2023 | Jan. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Apr. 26, 2023 | Dec. 31, 2022
Common Stock, Shares, Outstanding (in shares) |  |  |  |  | 25,506,570 |  |  |  |  | 25,506,570 |  |  | 25,023,812
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 |  |  |
Payments for Repurchase of Common Stock |  |  |  |  |  |  |  |  |  | $ 241 | $ (0) |  |
Stock Repurchased During Period, Shares (in shares) |  |  |  |  |  |  |  |  |  | 163,300 |  |  |
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 | 0 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period (in shares) |  |  |  |  |  |  |  |  |  |  | 4,946 |  |
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) |  |  |  |  |  | $ 0.0225 | $ 0.0225 | $ 0.0225 | $ 0.0225 |  |  |  |
Dividends and Interest Paid |  |  |  |  |  |  |  |  |  | $ 1,200 | $ 1,200 |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  |  |  |  | $ 5,000 |
Stock Repurchased During Period, Value |  |  |  |  |  | $ 241 |  |  |  | $ 200 |  |  |
Shares Acquired, Average Cost Per Share (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 1.48 |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares) |  |  |  |  | 0 |  |  | 0 |  | 0 | 0 |  |
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  |  | $ 0 |  |  | $ 0 |  | $ 0 | $ 0 |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  |  | 600 |  |  | $ 500 |  | $ 2,000 | $ 2,600 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  |  |  |  |  |  |  | 936,434 |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |  |  |  |  | $ 900 |  |  |  |  | $ 900 |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  |  |  |  |  |  |  |  | 1 year 7 months 6 days |  |  |
Restricted Stock [Member] | Chief Financial Officer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  | 100,000 |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | New Controller [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  | 40,000 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | The 2021 Equity Incentive Plan and The 2022 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  |  | 796,434 |  |  |  |  |  |  |  |  |
January 2022 Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | 19,905,736 |  |  |  |  |  |  |  |  |  |  |  |

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