v3.26.1
FINANCIAL HIGHLIGHTS (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
Per Share Data:          
Net asset value at beginning of period     $ 12.82 $ 13.46  
Net investment income     0.52 0.69  
Change in unrealized (depreciation) appreciation on investments     0.32 0.09  
Net realized gain (loss)     (0.22) (0.24)  
Total from operations     0.62 0.54  
Net investment income     (0.68) (0.8)  
Accretive effect of stock offerings (issuing shares above net asset value per share)     0.05 0.01  
Other     (0.01) 0.02  
Net asset value at end of period $ 12.8 $ 13.21 12.8 13.21  
Per share market value at end of period     $ 8.42 $ 13.94  
Total return based on market value     (28.85%) 7.32%  
Weighted average common shares, Basic (in shares) | shares 28,869,028 28,412,849 28,907,925 28,009,969  
Weighted average common shares, Diluted (in shares) | shares 28,869,028 28,412,849 28,907,925 28,009,969  
Ratio/Supplemental Data:          
Net assets at end of period | $ $ 366,957,946 $ 375,370,890 $ 366,957,946 $ 375,370,890 $ 371,178,956
Weighted average net assets | $ $ 366,698,144 $ 374,041,889 $ 366,698,144 $ 374,041,889  
Annualized ratio of gross operating expenses to net assets 16.84 18.04 16.84 18.04  
Annualized ratio of net operating expenses to net assets 16.81 16.87 16.81 16.87  
Annualized ratio of interest expense and other fees to net assets 9.59 9.13 9.59 9.13  
Annualized ratio of net investment income before fee waiver to net assets 8.24 9.26 8.24 9.26  
Annualized ratio of net investment income to net assets     8.26% 10.43%  
Portfolio turnover 4.62 4.77 4.62 4.77  
Notes payable | $ $ 125,000,000 $ 175,000,000 $ 125,000,000 $ 175,000,000  
Credit Facility payable | $ 222,192,028 163,059,680 222,192,028 163,059,680  
SBA-guaranteed debentures | $ $ 260,000,000 $ 308,750,000 $ 260,000,000 $ 308,750,000  
Asset coverage ratio 2.06 2.11 2.06 2.11  
Income tax benefit (provision) on net unrealized depreciation (appreciation) in taxable subsidiaries | $     $ 0 $ 0  
impact of the tax benefit (provision) on net unrealized depreciation (appreciation) to weighted average net assets     0.00% 0.00%  
Percentage of expenses reimbursed     0.03%    
Percentage of fees waived     1.17%