Note 4 - Commitments and Contingencies (Details Textual) $ in Millions |
3 Months Ended | |||||
|---|---|---|---|---|---|---|
Jun. 24, 2026 |
Oct. 30, 2025 |
Oct. 24, 2024 |
Jun. 30, 2026
USD ($)
|
Dec. 31, 2025 |
Nov. 01, 2024
shares
|
|
| Stock Required to be Issued for Stock Split, Shares (in shares) | shares | 12,945 | |||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 21 | |||||
| Reverse Stock Split [Member] | ||||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 20 | |||||
| Minimum [Member] | Reverse Stock Split [Member] | ||||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 2 | |||||
| Maximum [Member] | Reverse Stock Split [Member] | ||||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 25 | |||||
| Employment Contracts [Member] | Minimum [Member] | ||||||
| Employee Benefits and Share-Based Compensation | $ 1.9 | |||||
| Employment Contracts [Member] | Maximum [Member] | ||||||
| Employee Benefits and Share-Based Compensation | $ 2.5 | |||||
| Pending Litigation [Member] | ||||||
| Loss Contingency, Pending Claims, Number | 0 |