Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Stockholders' Equity (Details Textual)

v3.23.2
Note 13 - Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
Apr. 11, 2023
Jun. 30, 2023
Dec. 31, 2022
Preferred Stock, Shares Authorized (in shares)   3,333,333 3,333,333
Preferred Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.0001 $ 0.0001
Preferred Stock, Shares Outstanding (in shares)   0 0
Preferred Stock, Shares Issued (in shares)   0  
Common Stock, Shares Authorized (in shares)   50,000,000 50,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.0001 $ 0.0001
Common Stock, Shares, Issued (in shares)   18,699,596 14,402,025
Common Stock, Shares, Outstanding (in shares)   18,699,596 14,402,025
April 2023 Private Placement [Member]      
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.0001    
Stock Issued During Period, Shares, New Issues (in shares) 3,428,571    
Shares Issued, Price Per Share (in dollars per share) $ 1.75    
Proceeds from Issuance of Private Placement $ 6