Note 9 - Stockholders' Equity - Convertible Preferred Stock (Details) - USD ($) |
Mar. 31, 2026 |
Mar. 04, 2026 |
Dec. 31, 2025 |
|---|---|---|---|
| Series B Preferred Stock [Member] | |||
| Preferred Stock, Shares Issued (in shares) | 1,620 | 6,000 | |
| Preferred Stock, Shares Outstanding (in shares) | 1,620 | 6,000 | |
| Carrying Value | $ 4,014,971 | ||
| Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.0001 | $ 0.0001 | |
| Preferred Stock, Convertible, Conversion Price (in dollars per share) | $ 1.176 | ||
| Common shares upon conversion (in shares) | 3,414,091 | ||
| Series C Preferred Stock [Member] | |||
| Preferred Stock, Shares Issued (in shares) | 100 | 0 | |
| Preferred Stock, Shares Outstanding (in shares) | 100 | 0 | |
| Carrying Value | $ 100,000 | ||
| Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001 |
| Preferred Stock, Convertible, Conversion Price (in dollars per share) | $ 1.176 | ||
| Common shares upon conversion (in shares) | 85,034 |
| X | ||||||||||
- Definition Number of shares issued for each share of convertible preferred stock that is converted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Per share conversion price of preferred stock. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Aggregate issuance value of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) issued and outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|