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Note 16 - Redeemable Class B Preferred Stock (Details Textual)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
Sep. 24, 2024
USD ($)
$ / shares
shares
Feb. 28, 2025
USD ($)
$ / shares
shares
Mar. 31, 2025
USD ($)
shares
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Proceeds from Issuance of Preferred Stock and Preference Stock     $ 6,000 $ 0  
Redeemable Class B Preferred Stock [Member]          
Proceeds from Issuance of Preferred Stock and Preference Stock $ 8,300        
Preferred Stock, Shares Authorized (in shares) | shares 330,000        
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares $ 0.01        
Shares Issued, Price Per Share (in dollars per share) | $ / shares $ 25        
Preferred Stock, Shares Outstanding (in shares) | shares     330,000    
Preferred Stock, Convertible, Conversion Ratio 2,631,600        
Preferred Stock, Convertible, Shares Issuable (in shares) | shares 868,421        
Preferred Stock, Dividend Rate, Percentage 8.00%        
Preferred Stock, Dividend Rate, Percentage if Not Paid in Two Quarters 18.00%        
Preferred Stock, Convertible, Conversion Price (in dollars per share) | $ / shares $ 25        
Preferred Shares, Conversion Percentage of Shares available to Convert 25.00%        
Sale Of Assets Representing a Certain Value of Consolidated Reveue, Percentage 15.00%        
Percent of Subscription Price Paid For Convertible Shares 15.00%        
Dividends Payable, Current     $ 200   $ 200
Preferred Stock, Redemption Amount     $ 8,300   $ 8,300
Redeemable Class C Preferred Stock [Member]          
Proceeds from Issuance of Preferred Stock and Preference Stock   $ 6,000      
Preferred Stock, Shares Authorized (in shares) | shares   240,000      
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares   $ 0.01      
Shares Issued, Price Per Share (in dollars per share) | $ / shares   $ 25      
Preferred Stock, Shares Outstanding (in shares) | shares     240,000    
Preferred Stock, Convertible, Conversion Ratio   2.6316      
Preferred Stock, Convertible, Shares Issuable (in shares) | shares   631,579      
Preferred Stock, Dividend Rate, Percentage   8.00%      
Preferred Stock, Dividend Rate, Percentage if Not Paid in Two Quarters   18.00%      
Preferred Stock, Convertible, Conversion Price (in dollars per share) | $ / shares   $ 25      
Preferred Shares, Conversion Percentage of Shares available to Convert   25.00%      
Sale Of Assets Representing a Certain Value of Consolidated Reveue, Percentage   15.00%      
Percent of Subscription Price Paid For Convertible Shares   15.00%      
Dividends Payable, Current     $ 100    
Preferred Stock, Redemption Amount     $ 6,000