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Note 5 - Stock-based Compensation | 6 Months Ended
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Jun. 30, 2024
Notes to Financial Statements |
Shareholders' Equity and Share-Based Payments [Text Block] |
5. | STOCK-BASED COMPENSATION
We recorded non-cash stock compensation expense in each period as follows:
|  | Three-month period ended |  |  | Six-month period ended |
|  | June 30, |  |  | June 30, |  |  | June 30, |  |  | June 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Stock options |  | $ | 152 |  |  | $ | 153 |  |  | $ | 308 |  |  | $ | 291 |
Restricted stock |  |  | 7 |  |  |  | 1 |  |  |  | 12 |  |  |  | 2 |
Total |  | $ | 159 |  |  | $ | 154 |  |  | $ | 320 |  |  | $ | 293 |
We have stock options outstanding from various stock-based employee compensation plans for which we record compensation cost relating to share-based payment transactions in our financial statements. As of June 30, 2024, there was $545 of total unrecognized compensation cost related to outstanding stock options, which is expected to be recognized over a weighted average period of 1.0 years. The following table summarizes stock option activity for the six-month period ended June 30, 2024:
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2024 |  |  | 1,250,595 |  |  | $ | 7.10 |  |  |  |  |  |  |  |  |
Granted |  |  | 3,460 |  |  |  | 6.84 |  |  |  |  |  |  |  |  |
Exercised |  |  | (288,675 | ) |  |  | 7.10 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (91,482 | ) |  | $ | 8.79 |  |  |  |  |  |  |  |  |
Outstanding at June 30, 2024 |  |  | 873,898 |  |  | $ | 6.92 |  |  |  | 4.34 |  |  | $ | 3,231 |
Vested and expected to vest at June 30, 2024 |  |  | 775,281 |  |  | $ | 7.00 |  |  |  | 4.18 |  |  | $ | 2,805 |
Exercisable at June 30, 2024 |  |  | 417,867 |  |  | $ | 7.56 |  |  |  | 2.87 |  |  | $ | 1,277 |
Cash received from stock option exercises under our stock-based compensation plans for the three-month periods ended June 30, 2024 and June 30, 2023 was $1,251 and $62, respectively. Cash received from stock option exercises under our stock-based compensation plans for the six-month periods ended June 30, 2024 and June 30, 2023 was $1,936 and $62, respectively. Restricted stock awards vest in equal annual installments over three (3) years. Unrecognized compensation cost related to unvested restricted shares at June 30, 2024 and June 30, 2023, respectively, was $25 and $1.

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- Definition The entire disclosure for shareholders' equity and share-based payment arrangement. Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/505/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718/tableOfContent + Details
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