v3.25.2
Note 4 - Other Recent Business Transactions or Events (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
May 19, 2025
Sep. 01, 2024
Jan. 09, 2019
Oct. 03, 2016
Jan. 31, 2017
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Aug. 31, 2026
Aug. 31, 2025
Jun. 23, 2025
May 15, 2025
Feb. 25, 2025
Feb. 24, 2025
Dec. 31, 2024
Dec. 31, 2023
Common Stock, Par or Stated Value Per Share (in dollars per share)           $ 0.01   $ 0.01               $ 0.01  
Professional Fees           $ 3,561 $ 2,533 $ 6,353 $ 5,982                
Equity Method Investments           24,681   24,681               $ 23,430 $ 14,241
Equity Method Investment, Realized Gain (Loss) on Disposal               (836) $ (0)                
JKD Capital Partners I, LTD [Member] | Investment Agreement [Member]                                  
Redeemable Financial Instruments   $ 7,719   $ 12,000                          
Proceeds from Redeemable Financial Instruments     $ 1,268 $ 6,000 $ 1,000                        
Payments for Redeemable Financial Instruments   2,573       2,573                      
Vellar Opportunities GP, LLC [Member]                                  
Equity Method Investment, Ownership Percentage                           33.40% 33.40%    
Equity Method Investments                           $ 10      
Equity Method Investment, Realized Gain (Loss) on Disposal               (836)                  
Contractual Obligation                           1,084 $ 2,121    
CDO Collateral Management Contracts [Member]                                  
Disposal Group, Including Discontinued Operation, Consideration           1,125   1,125                  
Management Fee Expense               288                  
Gain (Loss) on Disposition of Assets               837                  
Remaining Collateral Management Contracts [Member]                                  
Disposal Group, Including Discontinued Operation, Consideration           $ 2,375   2,375                  
Management Fee Expense               365                  
Gain (Loss) on Disposition of Assets               2,010                  
Assigned Assets [Member]                                  
Asset Acquisition, Consideration Transferred               $ 3,500                  
The 2024 Note [Member]                                  
Debt Instrument, Face Amount   $ 5,146                              
Debt Instrument, Interest Rate, Stated Percentage   12.00%                              
The 2024 Note [Member] | Forecast [Member]                                  
Debt Instrument, Amount Due and Payable                   $ 2,573 $ 2,573            
Columbus Circle Capital Corp I [Member]                                  
Professional Fees $ 3,920                                
Investments Owned, Shares Purchased (in shares) 392,000                                
Investments Owned, Shares Purchased, Value $ 3,920                                
Financing Receivable, before Allowance for Credit Loss 350                                
Notes Receivable, Maximum Additional Amount $ 1,500                                
Office and Support Service Fee, Monthly Amount                         $ 10        
Operating LLC [Member] | Vellar Opportunities GP, LLC [Member] | Maximum [Member]                                  
Contractual Obligation                           4,234      
Founder Shares [Member]                                  
Investment Owned, Balance, Shares (in shares) 8,333,333                                
Founder Shares [Member]                                  
Investment Owned, Balance, Shares (in shares) 8,333,333                                
Columbus Circle Capital Corp I [Member] | Warrants [Member]                                  
Warrants Included in Unit, Amount (in shares) 0.5                                
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) 1                                
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 11.5                                
Columbus Circle Capital Corp I [Member] | Convertible Preferred Stock [Member] | Convertible Note Financing [Member]                                  
Debt Instrument, Face Amount                       $ 235,000          
Columbus Circle Capital Corp I [Member] | IPO [Member]                                  
Units Issued During Period, Number of Units (in shares) 25,000,000                                
Units, Issued, Price Per Unit (in dollars per share) $ 10                                
Proceeds from Issuance or Sale of Equity $ 250,000                                
Columbus Circle Capital Corp I [Member] | IPO [Member] | Class A Ordinary Share [Member]                                  
Units, Number of Shares per Unit (in shares) 1                                
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.0001                                
Shares Issued, Price Per Share (in dollars per share) $ 10                                
Columbus Circle Capital Corp I [Member] | Over-Allotment Option [Member]                                  
Units Issued During Period, Number of Units (in shares) 3,000,000                                
Columbus Circle Capital Corp I [Member] | Private Placement [Member]                                  
Units Issued During Period, Number of Units (in shares) 265,000                                
Units, Issued, Price Per Unit (in dollars per share) $ 10                                
Units, Issued During Period, Value of Units $ 2,650                                
Columbus Circle Capital Corp I [Member] | Private Placement [Member] | Preferred Units [Member]                                  
Units, Issued During Period, Value of Units                       $ 516,500          
Columbus Circle Capital Corp I [Member] | IPO and Private Placement [Member]                                  
Proceeds from Issuance or Sale of Equity $ 250,000                                
Operating LLC [Member] | Founder Shares [Member]                                  
Investment Owned, Balance, Shares (in shares) 2,101,666         2,101,666   2,101,666                  
Vellar Opportunities GP, LLC [Member] | Operating LLC [Member] | Maximum [Member]                                  
Contractual Obligation                           $ 4,234