Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| ATM [Member] | ||||
| Common stock issued, transaction costs | $ 19 | $ 39 | $ 53 | $ 70 |
| ELOC [Member] | ||||
| Common stock issued, transaction costs | $ 3 | $ 3 | ||