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Business and Basis of Presentation - Additional Information (Detail) - USD ($)
 12 Months Ended
Apr. 30, 2025
Dec. 23, 2024
Dec. 31, 2024
Dec. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Proceeds from other operating activities     $ 9,800,000  
Non restricted cash balance     4,800,000  
Working capital deficit     16,700,000  
Assets     18,491,890 $ 22,752,297
Cash     $ 4,800,000  
Securities Purchase Agreement [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Shares issued and sold 7,220,141 7,377,912 7,377,912  
Purchase price per share $ 1.1 $ 0.55 $ 0.55  
Aggregate purchase price   $ 4,100,000 $ 4,100,000  
Residual Economic Interests Received From Shipwreck [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Proceeds from other operating activities     $ 9,800,000