v3.26.1
Note 7 - Preferred Stock (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Schedule of Stock by Class [Table Text Block]
  

Series F Preferred Stock Shares

  

Preferred Stock Dividends

  

Weighted Average Conversion Price

  

Common Shares Issued from Conversions

 

December 31, 2024 Balance

  545  $29,000  $11.17   641,592 

2025 Issuances

  575   —       — 

2025 Accrued Dividends

  —   32,000       — 

2025 Conversions

  (970)  (39,000) $3.77   257,617 

December 31, 2025 Balance

  150   22,000  $3.77   899,209 

2026 Accrued Dividends

  —   4,000       — 

March 31, 2026 Balance

  150  $26,000  $3.77   899,209