v3.25.2
Transactions with Related Parties, Former Parent Company (Details)
 6 Months Ended 12 Months Ended
Dec. 11, 2024
USD ($)
Mar. 27, 2024
$ / shares
shares
Aug. 07, 2023
USD ($)
$ / shares
shares
Mar. 07, 2023
$ / shares
shares
Jun. 30, 2025
USD ($)
Subsidiary
Installment
$ / shares
shares
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 12, 2024
USD ($)
shares
Mar. 02, 2023
$ / shares
Jul. 29, 2022
$ / shares
Transactions with Related Parties [Abstract]                    
Preferred shares par value (in dollars per share) | $ / shares         $ 0.001   $ 0.001   $ 0.001  
Common shares outstanding (in shares) | shares       9,461,009 19,093,853   19,093,853      
Common shares, par value (in dollars per share) | $ / shares         $ 0.001   $ 0.001   $ 0.001 $ 0.001
Dividend income from related party         $ 2,620,833 $ 1,263,889        
Investment in related party         127,151,902   $ 100,687,500      
Interest income from related party         $ 1,771,836 0        
1.00% Series A Fixed Rate Cumulative Perpetual Convertible Preferred Shares [Member]                    
Transactions with Related Parties [Abstract]                    
Preferred shares issued (in shares) | shares       140,000 140,000          
Preferred shares, dividend rate       1.00% 1.00%   1.00%      
Preferred shares, stated amount (in dollars per share) | $ / shares       $ 1,000 $ 1,000          
Preferred shares par value (in dollars per share) | $ / shares       $ 0.001            
Related Party [Member] | Castor [Member] | Term Loan [Member]                    
Transactions with Related Parties [Abstract]                    
Loan to related party $ 100,000,000       $ 0          
Draw-down of loan to related party 100,000,000                  
Term         5 years          
Basis adjustment         1.80%          
Number of ship-owning subsidiaries that guarantee the Term Loan | Subsidiary         10          
Number of receivable installments | Installment         20          
Frequency of periodic payments         quarterly          
Installment payment         $ 2,500,000          
Balloon installment payable at maturity         50,000,000          
Value of vessels $ 235,000,000                  
Interest income from related party         1,771,836          
Related Party [Member] | Castor [Member] | 1.00% Series A Fixed Rate Cumulative Perpetual Convertible Preferred Shares [Member]                    
Transactions with Related Parties [Abstract]                    
Preferred shares issued (in shares) | shares       140,000            
Accrued dividends payable         $ 342,221   $ 338,333      
Related Party [Member] | Castor [Member] | Series D Preferred Stock [Member]                    
Transactions with Related Parties [Abstract]                    
Preferred shares, dividend rate     5.00%              
Preferred shares par value (in dollars per share) | $ / shares     $ 0.001              
Number of shares to be purchased (in shares) | shares     50,000         50,000    
Purchase price (in dollars per share) | $ / shares     $ 1,000              
Total investment     $ 50,000,000         $ 50,000,000    
Dividend rate multiplier     1.3              
Conversion price (in dollars per share) | $ / shares   $ 7 $ 0.7              
Period used to determine weighted average price for conversion         5 days          
Stock split   0.1                
Common shares outstanding (in shares) | shares   9,662,354                
Common shares, par value (in dollars per share) | $ / shares   $ 0.001                
Preferred shares, outstanding (in shares) | shares               100,000    
Minimum number of shares that can be converted into common shares (in shares) | shares         500          
Maximum number of shares that can be redeemed for cash (in shares) | shares         30,000          
Period after closing date of transaction when shares cannot be disposed of         180 days          
Dividend income from related party         $ 2,100,000 $ 1,300,000        
Investment in related party         101,104,167   100,687,500      
Accrued dividends         $ 1,104,167   $ 687,500      
Related Party [Member] | Castor [Member] | Series D Preferred Stock [Member] | Maximum [Member]                    
Transactions with Related Parties [Abstract]                    
Preferred shares, dividend rate         20.00%          
Related Party [Member] | Castor [Member] | Series D Preferred Stock [Member] | Minimum [Member]                    
Transactions with Related Parties [Abstract]                    
Conversion price (in dollars per share) | $ / shares         $ 0.3