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Note 10 - Commitments and Contingencies - Schedule of Equity Securities Repurchased (Details) - USD ($) |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
May 08, 2023 | Jan. 01, 2023 | May 08, 2023 | Apr. 30, 2023 | Mar. 31, 2023 | Feb. 28, 2023 | Jan. 31, 2023 | Mar. 31, 2023
Number of Shares Purchased (in shares) |  |  |  |  |  | 326,992 |  | 981,000
Average Price Paid per Share (in dollars per share) |  |  |  |  |  | $ 4.59 |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  | $ 24,003,172 |  |
Number of Shares Purchased (in shares) |  |  |  |  |  | 326,992 |  | 981,000
Average Price Paid per Share (in dollars per share) |  |  |  |  |  | $ 4.59 |  |
Authorized Amount |  |  |  |  |  | $ 24,003,172 |  |
Shares Purchased as Part of Publicly Announced Programs [Member] |  |  |  |  |  |  |  |
Number of Shares Purchased (in shares) |  |  |  |  | 981,000 |  |  | 981,000
Number of Shares Purchased (in shares) |  |  |  |  | 981,000 |  |  | 981,000
Shares Purchased as Part of Publicly Announced Programs [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |
Number of Shares Purchased (in shares) |  |  | 666,812 |  |  |  |  |
Number of Shares Purchased (in shares) |  |  | 666,812 |  |  |  |  |
Share Repurchase Program [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |
Number of Shares Purchased (in shares) |  |  | 666,812 |  |  |  |  |
Number of Shares Purchased (in shares) |  |  | 666,812 |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |
Number of Shares Purchased (in shares) |  |  |  |  | 303,176 |  | 350,832 |
Average Price Paid per Share (in dollars per share) |  |  |  |  | $ 4.95 |  | $ 4.27 |
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 22,503,206 |  | $ 25,502,669 | $ 22,503,206
Number of Shares Purchased (in shares) |  |  |  |  | 303,176 |  | 350,832 |
Average Price Paid per Share (in dollars per share) |  |  |  |  | $ 4.95 |  | $ 4.27 |
Authorized Amount |  |  |  |  | $ 22,503,206 |  | $ 25,502,669 | 22,503,206
Common Stock [Member] | Shares Purchased as Part of Publicly Announced Programs [Member] |  |  |  |  |  |  |  |
Number of Shares Purchased (in shares) |  | 350,832 |  |  | 303,176 | 326,992 | 350,832 |
Average Price Paid per Share (in dollars per share) |  |  |  |  | $ 4.95 | $ 4.59 | $ 4.27 |
Stock Repurchase Program, Authorized Amount |  | $ 25,502,669 |  |  | $ 22,503,206 | $ 24,003,172 |  | 22,503,206
Number of Shares Purchased (in shares) |  | 350,832 |  |  | 303,176 | 326,992 | 350,832 |
Average Price Paid per Share (in dollars per share) |  |  |  |  | $ 4.95 | $ 4.59 | $ 4.27 |
Authorized Amount |  | $ 25,502,669 |  |  | $ 22,503,206 | $ 24,003,172 |  | $ 22,503,206
Common Stock [Member] | Shares Purchased as Part of Publicly Announced Programs [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |
Number of Shares Purchased (in shares) | 362,843 |  |  | 303,969 |  |  |  |
Average Price Paid per Share (in dollars per share) | $ 4.14 |  |  | $ 4.93 |  |  |  |
Stock Repurchase Program, Authorized Amount | $ 19,502,740 |  | $ 19,502,740 | $ 21,003,245 |  |  |  |
Number of Shares Purchased (in shares) | 362,843 |  |  | 303,969 |  |  |  |
Average Price Paid per Share (in dollars per share) | $ 4.14 |  |  | $ 4.93 |  |  |  |
Authorized Amount | $ 19,502,740 |  | $ 19,502,740 | $ 21,003,245 |  |  |  |

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