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v3.25.2

Note 12 - Share Based Compensation - Stock Option Activity (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
CEO Inducement Plan [Member] |  |  |
Covered Shares (in shares) | 630,000 | 630,000 |
Weighted- Average Exercise Price (in dollars per share) | $ 1.9 | $ 1.9 |
Weighted- Average Remaining Contractual Term (Year) | 6 years 1 month 24 days | 7 years 1 month 24 days | 8 years 1 month 24 days
Aggregate Intrinsic Value | $ 25,000 |  |
Covered Shares (in shares) | 630,000 | 630,000 | 630,000
Weighted- Average Exercise Price (in dollars per share) | $ 1.9 | $ 1.9 | $ 1.9
Exercisable, covered shares (in shares) | 630,000 |  |
Exercisable, weighted-average exercise price (in dollars per share) | $ 1.9 |  |
Exercisable, weighted average remaining contractual term (Year) | 6 years 1 month 24 days |  |
Exercisable, aggregate intrinsic value | $ 25,000 |  |
The 2008 Plan [Member] |  |  |
Covered Shares (in shares) | 222,000 | 513,100 |
Weighted- Average Exercise Price (in dollars per share) | $ 1.01 | $ 1.63 |
Weighted- Average Remaining Contractual Term (Year) | 2 years 7 months 28 days | 3 years 3 months 7 days | 2 years 1 month 28 days
Aggregate Intrinsic Value | $ 73,000 | $ 12,000 | $ 68,000
Exercised / cancelled, Shares (in shares) | (79,000) | 0 |
Exercised/cancelled, weighted-average exercise price (in dollars per share) | $ 0.97 | $ 0 |
Exercised / cancelled | $ 98,000 | $ 0 |
Forfeited or expired, covered shares (in shares) | (56,000) | (291,100) |
Exercised/cancelled, weighted-average exercise price (in dollars per share) | $ 0.97 | $ 0 |
Covered Shares (in shares) | 87,000 | 222,000 | 513,100
Weighted- Average Exercise Price (in dollars per share) | $ 1.01 | $ 1.01 | $ 1.63
Exercisable, covered shares (in shares) | 87,000 |  |
Exercisable, weighted-average exercise price (in dollars per share) | $ 1.01 |  |
Exercisable, weighted average remaining contractual term (Year) | 2 years 7 months 28 days |  |
Exercisable, aggregate intrinsic value | $ 73,000 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value | $ 98,000 |  |
The 2018 Plan [Member] |  |  |
Covered Shares (in shares) | 145,000 | 145,000 |
Weighted- Average Exercise Price (in dollars per share) | $ 0.94 | $ 0.94 |
Weighted- Average Remaining Contractual Term (Year) | 3 years 9 months 18 days | 4 years 9 months 14 days | 5 years 9 months 14 days
Aggregate Intrinsic Value | $ 40,000 | $ 26,000 | $ 52,000
Exercised / cancelled, Shares (in shares) | (75,000) | 0 |
Exercised/cancelled, weighted-average exercise price (in dollars per share) | $ 0.99 | $ 0 |
Forfeited or expired, covered shares (in shares) | (30,000) | 0 |
Exercised/cancelled, weighted-average exercise price (in dollars per share) | $ 0.99 | $ 0 |
Covered Shares (in shares) | 40,000 | 145,000 | 145,000
Weighted- Average Exercise Price (in dollars per share) | $ 0.93 | $ 0.94 | $ 0.94
Exercisable, covered shares (in shares) | 40,000 |  |
Exercisable, weighted-average exercise price (in dollars per share) | $ 0.93 |  |
Exercisable, weighted average remaining contractual term (Year) | 3 years 9 months 18 days |  |
Exercisable, aggregate intrinsic value | $ 26,000 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value | $ 90,000 | $ 0 |
The 2020 Plan [Member] |  |  |
Covered Shares (in shares) | 355,000 | 375,000 |
Weighted- Average Exercise Price (in dollars per share) | $ 1.55 | $ 1.55 |
Weighted- Average Remaining Contractual Term (Year) | 1 year 1 month 6 days | 2 years 1 month 6 days | 3 years 1 month 6 days
Aggregate Intrinsic Value | $ 44,000 |  |
Exercised / cancelled, Shares (in shares) | (22,500) |  |
Exercised/cancelled, weighted-average exercise price (in dollars per share) | $ 1.55 |  |
Forfeited or expired, covered shares (in shares) | (220,000) | (20,000) |
Exercised/cancelled, weighted-average exercise price (in dollars per share) | $ 1.55 |  |
Covered Shares (in shares) | 112,500 | 355,000 | 375,000
Weighted- Average Exercise Price (in dollars per share) | $ 1.55 | $ 1.55 | $ 1.55
Exercisable, covered shares (in shares) | 78,750 |  |
Exercisable, weighted-average exercise price (in dollars per share) | $ 1.55 |  |
Exercisable, weighted average remaining contractual term (Year) | 1 year 1 month 6 days |  |
Exercisable, aggregate intrinsic value | $ 31,000 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value | $ 17,000 |  |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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