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Note 9 - Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  |  |  |  |  | Weighted-Average |
|  |  |  |  |  | Grant Date Price |
|  | Shares |  |  | Restricted stock awards |
Outstanding, December 31, 2021 |  |  | 15,140 |  |  | $ | 7.14 |
Granted to employees and directors |  |  | 21,772 |  |  |  | 4.00 |
Vested |  |  | (18,540 | ) |  |  | 6.56 |
Canceled/expired/forfeited |  |  | - |  |  |  | - |
Outstanding, December 31, 2022 |  |  | 18,372 |  |  |  | 4.00 |
Granted to employees and directors |  |  | 227,000 |  |  |  | 4.23 |
Vested |  |  | (10,200 | ) |  |  | 3.99 |
Canceled/expired/forfeited |  |  | - |  |  |  | - |
Outstanding December 31, 2023 |  |  | 235,172 |  |  |  | 4.21 |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  |  |  |  |  | Exercise Price |
|  | Shares |  |  | Per Option |
Options outstanding, December 31, 2021 |  |  | 427,580 |  |  | $ | 3.50 |
Granted to employees and directors |  |  | 19,600 |  |  |  | 3.99 |
Exercised |  |  | (21,665 | ) |  |  | 3.70 |
Canceled/expired/forfeited |  |  | (14,900 | ) |  |  | 3.93 |
Options outstanding, December 31, 2022 |  |  | 410,615 |  |  |  | 3.50 |
Granted to employees and directors |  |  | 46,400 |  |  |  | 4.23 |
Exercised |  |  | (140,916 | ) |  |  | 3.29 |
Canceled/expired/forfeited |  |  | (23,333 | ) |  |  | 3.53 |
Options outstanding, December 31, 2023 |  |  | 292,766 |  |  |  | 3.71 |
Options exercisable, December 31, 2023 |  |  | 236,565 |  |  |  | 3.60 |
Share-Based Payment Arrangement, Activity [Table Text Block] |
|  | Options Outstanding |  |  | Options Exercisable |
Range of Exercise Prices |  | Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contract Life (in years) |  |  | Aggregate Intrinsic Value |  |  | Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contract Life (in years) |  |  | Aggregate Intrinsic Value |
$3.42 | - | $4.23 |  |  | 292,766 |  |  | $ | 3.71 |  |  |  | 1.17 |  |  | $ | 462,000 |  |  |  | 236,565 |  |  | $ | 3.60 |  |  |  | 0.36 |  |  | $ | 400,000 |

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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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