Note 3 - Shareholders' Equity - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
Stock-based compensation expense | $ 367 | $ 68 | $ 986 | $ 608 |
Selling and Marketing Expense [Member] | ||||
Stock-based compensation expense | 31 | (20) | 83 | 25 |
General and Administrative Expense [Member] | ||||
Stock-based compensation expense | 336 | 88 | 903 | 583 |
Share-Based Payment Arrangement, Option [Member] | ||||
Stock-based compensation expense | 175 | 68 | 523 | 399 |
Warrant [Member] | ||||
Stock-based compensation expense | 18 | 0 | 18 | 0 |
Common Stock Award [Member] | ||||
Stock-based compensation expense | 0 | 0 | 0 | 17 |
Restricted Stock [Member] | ||||
Stock-based compensation expense | $ 174 | $ 0 | $ 445 | $ 192 |