Consolidated Statements of Stockholders' Equity (Parentheticals) - Additional Paid-in Capital [Member] - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Issuance of common stock and warrants in connection with securities purchase agreement, net of issuance costs | $ 1,300 | |
| Issuance of common stock in connection with the Sales Agreement, net of issuance costs | $ 37 | 344 |
| Issuance of common stock in connection with private purchase, net of issuance costs | $ 30 | |
| Issuance of common stock in connection with Private Sales Transaction, net of issuance costs | 57 | |
| Issuance of common stock in connection with Registered Direct Offering, net of issuance costs | $ 972 | |