v3.26.1
Summary of Significant Accounting Policies - EPS (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Earnings Per Share      
Net loss attributable to common stockholders $ (1,859,901) $ (1,186,320)  
Undistributed net loss (2,874,125) (2,199,801)  
Class K Common Stock      
Earnings Per Share      
Net loss attributable to common stockholders (1,180,863) (754,123)  
Common Stock dividends declared and accumulated 665,355 670,156  
Undistributed net loss $ (1,846,218) $ (1,424,279)  
Net loss per common share, basic (in dollars per share) $ (0.31) $ (0.19)  
Net loss per common share, diluted (in dollars per share) $ (0.31) $ (0.19) $ (0.19)
Weighted average number of common shares outstanding - basic (in shares) 3,854,833 3,882,650  
Weighted average number of common shares outstanding - diluted (in shares) 3,854,833 3,882,650 3,882,650
Class K-I Common Stock      
Earnings Per Share      
Net loss attributable to common stockholders $ (441,066) $ (273,416)  
Common Stock dividends declared and accumulated 248,516 242,972  
Undistributed net loss $ (689,582) $ (516,388)  
Net loss per common share, basic (in dollars per share) $ (0.31) $ (0.19)  
Net loss per common share, diluted (in dollars per share) $ (0.31) $ (0.19) $ (0.19)
Weighted average number of common shares outstanding - basic (in shares) 1,439,818 1,407,695  
Weighted average number of common shares outstanding - diluted (in shares) 1,439,818 1,407,695 1,407,695
Class A Common Stock      
Earnings Per Share      
Net loss attributable to common stockholders $ (178,105) $ (112,927)  
Common Stock dividends declared and accumulated 100,353 100,353  
Undistributed net loss $ (278,458) $ (213,280)  
Net loss per common share, basic (in dollars per share) $ (0.31) $ (0.19)  
Net loss per common share, diluted (in dollars per share) $ (0.31) $ (0.19) $ (0.19)
Weighted average number of common shares outstanding - basic (in shares) 581,410 581,410  
Weighted average number of common shares outstanding - diluted (in shares) 581,410 581,410 581,410
Class B Common Stock      
Earnings Per Share      
Net loss attributable to common stockholders $ (59,867) $ (45,854)  
Undistributed net loss $ (59,867) $ (45,854)  
Net loss per common share, basic (in dollars per share) $ (0.48) $ (0.37)  
Net loss per common share, diluted (in dollars per share) $ (0.48) $ (0.37) $ (0.37)
Weighted average number of common shares outstanding - basic (in shares) 125,000 125,000  
Weighted average number of common shares outstanding - diluted (in shares) 125,000 125,000 125,000