v3.26.1
Significant Accounting Policies and Recent Accounting Updates (Details)
3 Months Ended 6 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2026
USD ($)
segment
Mar. 31, 2025
USD ($)
Sep. 30, 2025
USD ($)
Accounting Policies [Abstract]          
Loan origination fees received $ 53,000 $ 325,000 $ 239,000 $ 686,000  
Interest income, operating, accretion of discounts and amortization of premiums 242,000 360,000 615,000 568,000  
Payment-in-kind interest income 558,000 484,000 1,085,000 945,000  
Payment-in-kind interest capitalized 554,000 473,000 1,080,000 934,000  
Premium prepayment fees 0 8,000 6,000 8,000  
Interest and fee income 9,812,000 6,945,000 18,664,000 15,343,000  
Non-cash dividends 15,000 35,000 29,000 57,000  
Capitalized PIK 15,000 35,000 29,000 57,000  
Cash payments of accrued and capitalized preferred dividends 0 84,000 0 84,000  
Dividend income received in cash 1,000 0 60,000 28,000  
Return of capital distributions 3,000 0 10,000 41,000  
Investments on non-accrual status 248,000   248,000   $ 0
Preferred equity securities aggregate amount in nonaccrual status 0   0   $ 0
Excise tax expense 0 0 $ 0 0  
Deferred offering cost, amortization duration (in years)     3 years    
Amortization of deferred offering costs $ 0 $ 28,000 $ 0 $ 58,000  
Number of operating segments | segment     1    
Number of reportable segments | segment     1