v3.26.1
Note 9 - Stockholders' Equity (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 11 Months Ended
Apr. 30, 2026
Mar. 31, 2025
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Preferred Stock, Shares Authorized (in shares)     5,000,000   5,000,000   5,000,000 5,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.0001   $ 0.0001   $ 0.0001 $ 0.0001
Preferred Stock, Shares Outstanding, Ending Balance (in shares)     0   0   0 0
Common Stock, Shares Authorized (in shares)     350,000,000   350,000,000   350,000,000 350,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.0001   $ 0.0001   $ 0.0001 $ 0.0001
Dividends       $ 0        
March 2025 ATM with Citizens and B. Riley [Member]                
Equity Offering, Maximum Amount   $ 50,000,000            
The March 2025 ATM [Member]                
Open Market Sale Agreement, Sales Commission, Percentage   3.00%            
Stock Issued During Period, Shares, New Issues (in shares)             0  
Equity Line of Credit [Member]                
Equity Offering, Maximum Amount $ 25,000,000              
Stock Issued During Period, Shares, New Issues (in shares)     75,000          
Percent of Share Price for Equity Offering 97.00%              
EquPercent of Share Ownership 4.99%              
Stock Issued During Period, Shares, Issuance Costs (in shares) 447,067              
Proceeds from Issuance of Common Stock, Net $ 300,000   $ 45,000          
Proceeds from Issuance of Common Stock     44,000   $ 44,000 $ 0    
Equity Offering, Remaining Amount     $ 24,956,000   $ 24,956,000   $ 24,956,000  
Equity Offering, Remaining Shares Available for Issuance (in shares)     32,392,532   32,392,532   32,392,532