Note 6 - Stockholders' Equity and Equity-linked Instruments - Schedule of Warrants (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
Sep. 30, 2023 |
Sep. 30, 2022 |
|
| Beginning balance | $ 1,764,000 | $ 0 | $ 0 | $ 0 |
| Initial fair value of warrant liability – grant date | 0 | 0 | 2,804,000 | 0 |
| Change in fair value | (1,512,000) | (0) | (2,552,000) | (0) |
| Fair value of warrant liability at June 30, 2023 | $ 252,000 | $ 0 | $ 252,000 | $ 0 |
| X | ||||||||||
- Definition Estimated grant date fair value of warrants or rights. No definition available.
|
| X | ||||||||||
- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. No definition available.
|