Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Equity (Details Textual)

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Note 15 - Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Apr. 11, 2023
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Dec. 09, 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      
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)   18,724,596   18,724,596  
Share-Based Payment Arrangement, Expense   $ 600 $ 200    
Share-Based Payment Arrangement, Expense, Tax Benefit   $ 0 $ 0    
December 2022 Private Placement [Member]          
Warrants and Rights Outstanding, Term (Year)         3 years
December 2022 Private Placement [Member] | Dawson James [Member]          
Warrants and Rights Outstanding, Term (Year)         3 years
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 $ 6,000