v3.26.3
Borrowings - Details 7 (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
May 31, 2026
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Feb. 28, 2026
Sep. 29, 2022
Aug. 14, 2019
Borrowings [Line Items]                
Net income taxes       $ 19,286 $ 286,573      
Financing costs       4,664,515 25,000      
Interest expense   $ 14,061,404 $ 12,372,030 27,711,687 24,823,895      
Deferred financing costs   0 100,000          
Smaller Enterprise [Member]                
Borrowings [Line Items]                
Tangible net   6,000,000   6,000,000        
Net income taxes       2,000,000        
SBA Debentures [Member]                
Borrowings [Line Items]                
Additional long-term capital   175,000,000   175,000,000        
Line of credit facility maximum borrowing capacity           $ 160,000,000    
Interest expense       3.8 2.6      
Deferred financing costs   $ 200,000 $ 200,000 $ 400,000 $ 400,000      
Weighted average interest rate   3.60% 3.00% 3.60% 3.00%      
Outstanding borrowings   $ 213,000,000 $ 170,000,000 $ 208,100,000 $ 170,000,000      
SBIC [Member]                
Borrowings [Line Items]                
Tangible net $ 24,000,000              
Net income taxes       8,000,000        
SBIC II LP [Member]                
Borrowings [Line Items]                
Debentures outstanding amount       84,000,000        
SBIC III LP [Member]                
Borrowings [Line Items]                
Debentures outstanding amount       129,000,000        
SBIC III LP [Member] | SBA Debentures [Member]                
Borrowings [Line Items]                
Line of credit facility maximum borrowing capacity   $ 213,000,000   $ 213,000,000        
SBIC [Member]                
Borrowings [Line Items]                
Additional long-term capital             $ 175,000,000 $ 175,000,000
Investment percentage   25.00%   25.00%        
SBIC II LP [Member]                
Borrowings [Line Items]                
Aggregate total of equity capital amount   $ 87,500,000   $ 87,500,000        
Financing costs       6,000,000        
Realized loss on extinguishment of debt           700,000    
SBIC II LP [Member] | SBA Debentures [Member]                
Borrowings [Line Items]                
Aggregate principal amount           $ 47,000,000    
SBIC III LP [Member]                
Borrowings [Line Items]                
Aggregate total of equity capital amount   87,500,000   87,500,000        
Financing costs       1,400,000        
SBIC LP [Member]                
Borrowings [Line Items]                
Financing costs       5,000,000        
Line of Credit [Member] | SBA Debentures [Member]                
Borrowings [Line Items]                
Interest expense   $ 1,900,000 $ 1,300,000          
Minimum [Member]                
Borrowings [Line Items]                
Outstanding amount 350,000,000              
Minimum [Member] | SBA Debentures [Member]                
Borrowings [Line Items]                
Leverage limit amount 175,000,000              
Maximum [Member]                
Borrowings [Line Items]                
Outstanding amount 475,000,000              
Maximum [Member] | SBA Debentures [Member]                
Borrowings [Line Items]                
Leverage limit amount $ 250,000,000              
Debentures outstanding amount       $ 213,000,000