v3.26.1
Note 3 - Mortgage-backed Securities - Treasury Note Portfolio (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Orchid Island Capital, Inc. common stock, at fair value $ 3,966,425 $ 4,097,311
U.S. Treasury Note, 1.375%, Maturing August 31, 2026 [Member]    
U.S. Treasury Note, par value 500,000  
U.S. Treasury Note, cost 497,000  
Orchid Island Capital, Inc. common stock, at fair value 498,000  
U.S. Treasury Note, 0.75%, Maturing August 31, 2026 [Member]    
U.S. Treasury Note, par value 500,000  
U.S. Treasury Note, cost 496,000  
Orchid Island Capital, Inc. common stock, at fair value 497,000  
US Treasury Notes Securities [Member]    
U.S. Treasury Note, par value 1,000,000  
U.S. Treasury Note, cost 993,000  
Orchid Island Capital, Inc. common stock, at fair value $ 995,000