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Note 12 - Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2025
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  |  |  |  | Exercise |  |  | Contractual Term |  |  | Intrinsic |
|  | Shares |  |  | Price |  |  | (in years) |  |  | Value(1) |
Outstanding as of December 31, 2024 |  |  | 664,000 |  |  | $ | 6.46 |  |  |  |  |  |  |  |  |
Granted |  |  | 288,260 |  |  | $ | 5.79 |  |  |  |  |  |  |  |  |
Terminated/forfeited(2) |  |  | (135,500 | ) |  | $ | 6.77 |  |  |  |  |  |  |  |  |
Exercised |  |  | (15,000 | ) |  | $ | 4.81 |  |  |  |  |  |  |  |  |
Outstanding as of December 31, 2025 |  |  | 801,760 |  |  | $ | 6.20 |  |  |  | 5.61 |  |  | $ | (38,234 | )
Exercisable as of December 31, 2025 |  |  | 350,500 |  |  | $ | 7.27 |  |  |  | 3.10 |  |  | $ | (393,527 | )
Expected to vest as of December 31, 2025 |  |  | 451,260 |  |  | $ | 5.36 |  |  |  | 7.56 |  |  | $ | 355,293 |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | During the Years |
|  | Ended December 31, |
|  | 2025 |  |  | 2024 |
Risk-free interest rate(1) |  |  | 3.81 | % |  |  | 3.77 | %
Dividend yield(2) |  |  | 0 | % |  |  | 0 | %
Expected volatility(2) |  |  | 54 | % |  |  | 52 | %
Expected life in years(3) |  |  | 5.8 |  |  |  | 4.6 |

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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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -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 Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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