v3.26.1
Note 5 - Stockholders' Equity (Details Textual) - USD ($)
Sep. 23, 2024
Jun. 30, 2026
Dec. 31, 2025
Preferred Stock, Shares Authorized (in shares)   5,000,000 5,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.00001 $ 0.00001
Preferred Stock, Shares Outstanding (in shares)   0 0
Common Stock, Shares Authorized (in shares)   350,000,000 350,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.00001 $ 0.00001
Common Stock, Shares, Outstanding (in shares)   13,677,497 7,736,129
Amended and Restated Standby Equity Purchase Agreement [Member]      
Standby Equity Purchase Agreement, Maximum Funding Available from Investor $ 25,000,000