Quarterly report pursuant to Section 13 or 15(d)

Note 17 - Stockholders' Equity (Details Textual)

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Note 17 - Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Apr. 11, 2023
Sep. 30, 2023
Sep. 30, 2022
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)   18,724,596   14,402,025
Share-Based Payment Arrangement, Expense   $ 4,600 $ 2,000  
Share-Based Payment Arrangement, Expense, Tax Benefit   $ 0 $ 0  
Common Stock, Shares, Outstanding (in shares)   18,724,596   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 $ 6,000