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Consolidated Schedule of Investments - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Investment cost $ 1,106,849,000 $ 1,150,602,000  
Investment Owned, at Fair Value $ 1,067,009,000 $ 1,126,309,000  
Percentage of Net Assets 195.04% 195.52%  
Investment, Identifier [Axis]: Affiliate Investments      
Investment cost $ 58,861,000 $ 4,551,000  
Investment Owned, at Fair Value $ 51,456,000 [1] $ 2,084,000 [2]  
Percentage of Net Assets 9.41% 0.36%  
Investment, Identifier [Axis]: Affiliate Investments Debt Investments      
Investment Owned, at Fair Value [1] $ 23,586,000    
Investment, Identifier [Axis]: Affiliate Investments Debt Investments Coginiti Corp      
Investment Floor Rate   10.81%  
Investment Interest PIK   9.50%  
Maturity Date   Dec. 15, 2022  
Investment, Identifier [Axis]: Affiliate Investments Debt Investments Health Care Technology      
Investment cost 25,897,000    
Investment Owned, at Fair Value $ 23,586,000    
Percentage of Net Assets 4.31%    
Investment, Identifier [Axis]: Affiliate Investments Debt Investments Health Care Technology Gynesonics, Inc. Investment Type Senior Secured SOFR+8.75%, 8.00% ceiling, 5.00% ETP Initial Acquisition Date 3/1/2023 Maturity Date 11/30/2026      
Investment, Spread 8.75%    
Investment Ceiling Rate 8.00%    
Investment Interest ETP 5.00%    
Initial Acquisition Date Mar. 01, 2023    
Maturity Date Nov. 30, 2026    
Principal Amount $ 25,595    
Investment cost 25,897,000    
Investment Owned, at Fair Value $ 23,586,000    
Investment, Identifier [Axis]: Affiliate Investments Debt Investments Senior Secured Gynesonics, Inc.      
Investment, Spread 8.75%    
Investment Ceiling Rate 8.00%    
Investment Interest ETP 5.00%    
Maturity Date Nov. 30, 2026    
Investment Owned, at Fair Value [1] $ 23,586,000    
Investment, Identifier [Axis]: Affiliate Investments Debt investments      
Investment cost 25,897,000    
Investment Owned, at Fair Value $ 23,586,000    
Percentage of Net Assets 4.31%    
Investment, Identifier [Axis]: Affiliate Investments Equity Investments      
Investment cost   $ 4,551,000  
Investment Owned, at Fair Value $ 26,894,000 [1] $ 1,174,000 [2]  
Percentage of Net Assets   0.20%  
Investment, Identifier [Axis]: Affiliate Investments Equity Investments Application Software      
Investment cost 4,551,000 $ 4,551,000  
Investment Owned, at Fair Value $ 856,000 $ 1,174,000  
Percentage of Net Assets 0.16% 0.20%  
Investment, Identifier [Axis]: Affiliate Investments Equity Investments Application Software Coginiti Corp Common Stock Initial Acquisition Date 3/9/2020      
Initial Acquisition Date   Mar. 09, 2020  
Principal/ Shares   1,040,160  
Investment cost   $ 4,551,000  
Investment Owned, at Fair Value   1,174,000  
Investment, Identifier [Axis]: Affiliate Investments Equity Investments Coginiti Corp      
Investment Owned, at Fair Value [2]   1,174,000  
Investment, Identifier [Axis]: Affiliate Investments Equity Investments Coginiti Corp Common Stock      
Investment Owned, at Fair Value $ 856,000 [1] 1,174,000  
Investment, Identifier [Axis]: Affiliate Investments Equity Investments Gynesonics, Inc. Series A-1 Preferred Stock      
Investment Owned, at Fair Value [1] 4,577,000    
Investment, Identifier [Axis]: Affiliate Investments Equity Investments Gynesonics, Inc. Series A-2 Preferred Stock      
Investment Owned, at Fair Value [1] 21,461,000    
Investment, Identifier [Axis]: Affiliate Investments Equity investments      
Investment cost 32,651,000    
Investment Owned, at Fair Value $ 26,894,000    
Percentage of Net Assets 4.92%    
Investment, Identifier [Axis]: Affiliate Investments Equity investments Application Software Coginiti Corp, Investment Type Equity Common Stock Initial Acquisition Date 3/9/2020      
Initial Acquisition Date Mar. 09, 2020    
Principal/ Shares 1,040,160    
Investment cost $ 4,551,000    
Investment Owned, at Fair Value 856,000    
Investment, Identifier [Axis]: Affiliate Investments Equity investments Health Care Technology      
Investment cost 28,100,000    
Investment Owned, at Fair Value $ 26,038,000    
Percentage of Net Assets 4.76%    
Investment, Identifier [Axis]: Affiliate Investments Equity investments Health Care Technology Gynesonics, Inc. Investment Type Equity Series A-1 Preferred Stock Initial Acquisition Date 10/24/2023      
Initial Acquisition Date Oct. 24, 2023    
Principal/ Shares 3,100,000    
Investment cost $ 3,100,000    
Investment Owned, at Fair Value $ 4,577,000    
Investment, Identifier [Axis]: Affiliate Investments Equity investments Health Care Technology Gynesonics, Inc. Investment Type Equity Series A-2 Preferred Stock Initial Acquisition Date 3/1/2023      
Initial Acquisition Date Mar. 01, 2023    
Principal/ Shares 3,266,668    
Investment cost $ 25,000,000    
Investment Owned, at Fair Value 21,461,000    
Investment, Identifier [Axis]: Affiliate Investments Warrants      
Investment cost 313,000    
Investment Owned, at Fair Value $ 976,000 [1] $ 910,000 [2]  
Percentage of Net Assets 0.18% 0.16%  
Investment, Identifier [Axis]: Affiliate Investments Warrants Application Software      
Investment Owned, at Fair Value $ 663,000 $ 910,000  
Percentage of Net Assets 0.12% 0.16%  
Investment, Identifier [Axis]: Affiliate Investments Warrants Application Software Coginiti Corp Common Stock Initial Acquisition Date 3/9/2020 Maturity Date 3/9/2030      
Initial Acquisition Date   Mar. 09, 2020  
Maturity Date   Mar. 09, 2030  
Principal/ Shares   811,770  
Investment Owned, at Fair Value   $ 910,000  
Investment, Identifier [Axis]: Affiliate Investments Warrants Application Software Coginiti Corp Investment Type Warrants Common Stock Initial Acquisition Date 3/9/2020 Maturity Date 3/9/2030      
Initial Acquisition Date Mar. 09, 2020    
Maturity Date Mar. 09, 2030    
Principal/ Shares 811,770    
Investment Owned, at Fair Value $ 663,000    
Investment, Identifier [Axis]: Affiliate Investments Warrants Coginiti Corp      
Investment Owned, at Fair Value 663,000 [1] 910,000 [2]  
Investment, Identifier [Axis]: Affiliate Investments Warrants Gynesonics, Inc.      
Investment Owned, at Fair Value [1] 313,000    
Investment, Identifier [Axis]: Affiliate Investments Warrants Health Care Technology      
Investment cost 313,000    
Investment Owned, at Fair Value $ 313,000    
Percentage of Net Assets 0.06%    
Investment, Identifier [Axis]: Affiliate Investments Warrants Health Care Technology Gynesonics, Inc. Investment Type Warrants Success Fee Initial Acquisition Date 3/1/2023 Maturity Date 3/1/2030      
Initial Acquisition Date Mar. 01, 2023    
Maturity Date Mar. 01, 2030    
Investment cost $ 313,000    
Investment Owned, at Fair Value 313,000    
Investment, Identifier [Axis]: Control Investments      
Investment cost 950,000 19,172,000  
Investment Owned, at Fair Value $ 950,000 [1] $ 9,290,000 [2] $ 29,131,000
Percentage of Net Assets 0.17% 1.61%  
Investment, Identifier [Axis]: Control Investments Debt Investments      
Investment cost   $ 19,172,000  
Investment Owned, at Fair Value   $ 9,290,000 [2] 28,261,000
Percentage of Net Assets   1.61%  
Investment, Identifier [Axis]: Control Investments Debt Investments Data Processing & Outsourced Services      
Investment cost   $ 19,172,000  
Investment Owned, at Fair Value   $ 9,290,000  
Percentage of Net Assets   1.61%  
Investment, Identifier [Axis]: Control Investments Debt Investments Data Processing & Outsourced Services Pivot3, Inc. LIBOR+8.50% PIK, 11.00% floor, 4.00% ETP Initial Acquisition Date 5/13/2019 Maturity Date 1/15/2023      
Investment Floor Rate   11.00%  
Investment Interest PIK   8.50%  
Investment Interest ETP   4.00%  
Initial Acquisition Date   May 13, 2019  
Maturity Date   Jan. 15, 2023  
Principal Amount   $ 18,598,000  
Investment cost   19,172,000  
Investment Owned, at Fair Value   $ 9,290,000  
Investment, Identifier [Axis]: Control Investments Debt Investments Mojix, Inc Five      
Investment, Spread   12.00%  
Investment Interest Cash Cap   12.00%  
Investment Interest ETP   5.00%  
Maturity Date   Jan. 15, 2025  
Investment Owned, at Fair Value     1,253,000
Investment, Identifier [Axis]: Control Investments Debt Investments Mojix, Inc Four      
Investment, Spread   12.00%  
Investment Interest Cash Cap   12.00%  
Investment Interest ETP   5.00%  
Maturity Date   Jan. 15, 2025  
Investment Owned, at Fair Value     629,000
Investment, Identifier [Axis]: Control Investments Debt Investments Mojix, Inc One      
Investment, Spread   12.00%  
Investment Interest Cash Cap   12.00%  
Investment Interest ETP   5.00%  
Maturity Date   Jan. 15, 2025  
Investment Owned, at Fair Value     7,568,000
Investment, Identifier [Axis]: Control Investments Debt Investments Mojix, Inc Six      
Investment, Spread   12.00%  
Investment Interest Cash Cap   12.00%  
Investment Interest ETP   5.00%  
Maturity Date   Jan. 15, 2025  
Investment Owned, at Fair Value     1,008,000
Investment, Identifier [Axis]: Control Investments Debt Investments Mojix, Inc Three      
Investment, Spread   12.00%  
Investment Interest Cash Cap   12.00%  
Investment Interest ETP   5.00%  
Maturity Date   Jan. 15, 2025  
Investment Owned, at Fair Value     630,000
Investment, Identifier [Axis]: Control Investments Debt Investments Mojix, Inc Two      
Investment, Spread   12.00%  
Investment Interest Cash Cap   12.00%  
Investment Interest ETP   5.00%  
Maturity Date   Jan. 15, 2025  
Investment Owned, at Fair Value     2,523,000
Investment, Identifier [Axis]: Control Investments Debt Investments Pivot3, Inc      
Investment Floor Rate   11.00%  
Investment Interest PIK   8.50%  
Maturity Date   Nov. 15, 2022  
Investment Owned, at Fair Value   $ 9,290,000 [2] 14,650,000
Investment, Identifier [Axis]: Control Investments Debt Investments Pivot3, Inc.      
Investment Floor Rate 11.00%    
Investment Interest PIK 8.50%    
Investment Interest ETP 4.00%    
Maturity Date Oct. 15, 2023    
Investment Owned, at Fair Value   9,290,000  
Investment, Identifier [Axis]: Control Investments Equity Investments      
Investment cost $ 950,000    
Investment Owned, at Fair Value $ 950,000 [1]   870,000
Percentage of Net Assets 0.17%    
Investment, Identifier [Axis]: Control Investments Equity Investments Data Processing & Outsourced Services      
Investment cost $ 950,000    
Investment Owned, at Fair Value $ 950,000    
Percentage of Net Assets 0.17%    
Investment, Identifier [Axis]: Control Investments Equity Investments Data Processing & Outsourced Services Pivot3, Inc. Investment Type Equity Equity Interest Initial Acquisition Date 12/31/2023      
Initial Acquisition Date Dec. 31, 2023    
Investment cost $ 950,000    
Investment Owned, at Fair Value 950,000    
Investment, Identifier [Axis]: Control Investments Equity Investments Mojix, Inc. Series A-1 Preferred Stock      
Investment Owned, at Fair Value     $ 870,000
Investment, Identifier [Axis]: Control Investments Equity Investments Pivot3, Inc.      
Investment Owned, at Fair Value [1] $ 950,000    
Investment, Identifier [Axis]: Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software Blueshift Labs, Inc. Investment Type Senior Secured Interest Rate SOFR+6.25%, 11.25% floor, 2.00% PIK, 1.50% ETP Initial Acquisition Date 12/19/2023 Maturity Date 12/15/2028      
Investment, Spread 6.25%    
Investment Floor Rate 11.25%    
Investment Interest PIK 2.00%    
Investment Interest ETP 1.50%    
Initial Acquisition Date Dec. 19, 2023    
Maturity Date Dec. 15, 2028    
Principal Amount $ 25,500,000    
Investment cost 25,083,000    
Investment Owned, at Fair Value $ 25,083,000    
Investment, Identifier [Axis]: Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services Interactions Corporation Investment Type Senior Secured Interest Rate SOFR+9.26%, 9.76% floor, 3.4375% ETP Initial Acquisition Date 6/24/2022 Maturity Date 6/15/2027      
Investment, Spread 9.26%    
Investment Floor Rate 9.76%    
Investment Interest ETP 3.4375%    
Initial Acquisition Date Jun. 24, 2022    
Maturity Date Jun. 15, 2027    
Principal Amount $ 40,000,000    
Investment cost 39,907,000    
Investment Owned, at Fair Value 39,945,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments      
Investment cost 1,005,024,000 1,126,879,000  
Investment Owned, at Fair Value $ 972,604,000 $ 1,114,935,000  
Percentage of Net Assets 177.78% 193.55%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments      
Investment cost   $ 1,091,206,000  
Investment Owned, at Fair Value   $ 1,084,485,000  
Percentage of Net Assets   188.26%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments      
Investment cost $ 966,328,000    
Investment Owned, at Fair Value $ 954,912,000    
Percentage of Net Assets 174.54%    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software      
Investment cost $ 203,979,000 $ 180,759,000  
Investment Owned, at Fair Value $ 196,540,000 $ 176,582,000  
Percentage of Net Assets 35.92% 30.66%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software Circadence Corporation Investment Type Senior Secured Interest Rate SOFR+9.50% PIK, 12.26% floor, 7.50% ETP Initial Acquisition Date 12/20/2018 Maturity Date 12/15/2023      
Investment Floor Rate   12.26%  
Investment Interest PIK   9.50%  
Investment Interest ETP   7.50%  
Initial Acquisition Date   Dec. 20, 2018  
Maturity Date   Dec. 15, 2023  
Principal Amount   $ 19,928,000  
Investment cost   21,260,000  
Investment Owned, at Fair Value   $ 17,083,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software Circadence Corporation Investment Type Senior Secured Interest Rate SOFR+9.50%, 12.26% floor, 10.00% cash cap, 7.50% ETP Initial Acquisition Date 12/20/2018 Maturity Date 3/15/2024      
Investment, Spread 9.50%    
Investment Floor Rate 12.26%    
Investment Interest Cash Cap 10.00%    
Investment Interest ETP 7.50%    
Initial Acquisition Date Dec. 20, 2018    
Maturity Date Mar. 15, 2024    
Principal Amount $ 23,147,000    
Investment cost 24,281,000    
Investment Owned, at Fair Value $ 19,028,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software Dtex Systems, Inc. Investment Type Senior Secured Interest Rate SOFR+9.25%, 9.75% floor, 1.75% ETP Initial Acquisition Date 6/1/2021 Maturity Date 6/1/2025      
Investment, Spread   9.25%  
Investment Floor Rate   9.75%  
Investment Interest ETP   1.75%  
Initial Acquisition Date   Jun. 01, 2021  
Maturity Date   Jun. 01, 2025  
Principal Amount   $ 10,000,000  
Investment cost   10,033,000  
Investment Owned, at Fair Value   $ 10,033,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software FiscalNote, Inc. Investment Type Senior Secured Interest Rate PRIME+5.00%, 9.00% floor, 1.00% PIK, 4.25% ETP Initial Acquisition Date 10/19/2020 Maturity Date 7/15/2027      
Investment, Spread   5.00%  
Investment Floor Rate   9.00%  
Investment Interest PIK   1.00%  
Investment Interest ETP   4.25%  
Initial Acquisition Date   Oct. 19, 2020  
Maturity Date   Jul. 15, 2027  
Principal Amount   $ 65,251,000  
Investment cost   64,466,000  
Investment Owned, at Fair Value   $ 64,466,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software FiscalNote, Inc. Investment Type Senior Secured Interest Rate PRIME+5.00%, 9.00% floor, 1.00% PIK, 5.75% ETP Initial Acquisition Date 10/19/2020 Maturity Date 7/15/2027      
Investment, Spread 5.00%    
Investment Floor Rate 9.00%    
Investment Interest PIK 1.00%    
Investment Interest ETP 5.75%    
Initial Acquisition Date Oct. 19, 2020    
Maturity Date Jul. 15, 2027    
Principal Amount $ 65,916,000    
Investment cost 65,868,000    
Investment Owned, at Fair Value $ 64,615,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software VTX Intermediate Holdings, Inc. (dba VertexOne) Investment Type Senior Secured Interest Rate SOFR+9.00%, 9.50% floor, 10.00% cash cap, 4.50% ETP Initial Acquisition Date 12/28/2021 Maturity Date 12/28/2026      
Investment, Spread 9.00%    
Investment Floor Rate 9.50%    
Investment Interest Cash Cap 10.00%    
Investment Interest ETP 4.50%    
Initial Acquisition Date Dec. 28, 2021    
Maturity Date Dec. 28, 2026    
Principal Amount $ 87,971,000    
Investment cost 88,747,000    
Investment Owned, at Fair Value 87,814,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Application Software VTX Intermediate Holdings, Inc. (dba VertexOne) Investment Type Senior Secured Interest Rate SOFR+9.00%, 9.50% floor, 4.50% ETP Initial Acquisition Date 12/28/2021 Maturity Date 12/28/2026      
Investment, Spread   9.00%  
Investment Floor Rate   9.50%  
Investment Interest ETP   4.50%  
Initial Acquisition Date   Dec. 28, 2021  
Maturity Date   Dec. 28, 2026  
Principal Amount   $ 85,000,000  
Investment cost   85,000,000  
Investment Owned, at Fair Value   85,000,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Asset Management & Custody Banks      
Investment cost 7,888,000    
Investment Owned, at Fair Value $ 7,860,000    
Percentage of Net Assets 1.44%    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Asset Management & Custody Banks Betterment Holdings, Inc. Investment Type Senior Secured Interest Rate PRIME+4.50%, 8.50% floor Initial Acquisition Date 10/6/2023 Maturity Date 10/6/2027      
Investment, Spread 4.50%    
Investment Floor Rate 8.50%    
Initial Acquisition Date Oct. 06, 2023    
Maturity Date Oct. 06, 2027    
Principal Amount $ 8,000,000    
Investment cost 7,888,000    
Investment Owned, at Fair Value 7,860,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Biotechnology      
Investment cost   39,504,000  
Investment Owned, at Fair Value   $ 39,709,000  
Percentage of Net Assets   6.89%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Biotechnology Mustang Bio, Inc. Investment Type Senior Secured Interest Rate SOFR+8.75%, 9.25% floor, 3.50% ETP Initial Acquisition Date 3/4/2022 Maturity Date 4/15/2027      
Investment, Spread   8.75%  
Investment Floor Rate   9.25%  
Investment Interest ETP   3.50%  
Initial Acquisition Date   Mar. 04, 2022  
Maturity Date   Apr. 15, 2027  
Principal Amount   $ 30,000,000  
Investment cost   29,709,000  
Investment Owned, at Fair Value   $ 29,709,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Biotechnology TRACON Pharmaceuticals, Inc. Investment Type Senior Secured Interest Rate PRIME+5.00%, 8.50% floor, 4.25% ETP Initial Acquisition Date 9/2/2022 Maturity Date 9/1/2026      
Investment, Spread   5.00%  
Investment Floor Rate   8.50%  
Investment Interest ETP   4.25%  
Initial Acquisition Date   Sep. 02, 2022  
Maturity Date   Sep. 01, 2026  
Principal Amount   $ 10,000,000  
Investment cost   9,795,000  
Investment Owned, at Fair Value   10,000,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services      
Investment cost 105,581,000 86,551,000  
Investment Owned, at Fair Value $ 104,581,000 $ 86,182,000  
Percentage of Net Assets 19.12% 14.96%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services Elevate Services, Inc. Investment Type Senior Secured Interest Rate SOFR+7.50%, 12.78% floor Initial Acquisition Date 7/10/2023 Maturity Date 7/10/2027      
Investment, Spread 7.50%    
Investment Floor Rate 12.78%    
Initial Acquisition Date Jul. 10, 2023    
Maturity Date Jul. 10, 2027    
Principal Amount $ 20,000,000    
Investment cost 19,424,000    
Investment Owned, at Fair Value $ 19,424,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services Interactions Corporation Investment Type Senior Secured Interest Rate SOFR+9.26%, 9.76% floor, 3.4375% ETP Initial Acquisition Date 6/24/2022 Maturity Date 6/15/2027      
Investment, Spread   9.26%  
Investment Floor Rate   9.76%  
Investment Interest ETP   3.4375%  
Initial Acquisition Date   Jun. 24, 2022  
Maturity Date   Jun. 15, 2027  
Principal Amount   $ 40,000,000  
Investment cost   39,504,000  
Investment Owned, at Fair Value   $ 39,504,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services ShareThis, Inc. Investment Type Senior Secured Interest Rate SOFR+8.25%, 10.86% floor, 3.00% ETP Initial Acquisition Date 8/18/2020 Maturity Date 7/15/2025      
Investment, Spread   8.25%  
Investment Floor Rate   10.86%  
Investment Interest ETP   3.00%  
Initial Acquisition Date   Aug. 18, 2020  
Maturity Date   Jul. 15, 2025  
Principal Amount   $ 1,000,000  
Investment cost   1,026,000  
Investment Owned, at Fair Value   $ 1,007,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services ShareThis, Inc. Investment Type Senior Secured Interest Rate SOFR+8.25%, 10.86% floor, 3.00% ETP Initial Acquisition Date 8/18/2020 Maturity Date 9/30/2024      
Investment, Spread 8.25%    
Investment Floor Rate 10.86%    
Investment Interest ETP 3.00%    
Initial Acquisition Date Aug. 18, 2020    
Maturity Date Sep. 30, 2024    
Principal Amount $ 950,000    
Investment cost 978,000    
Investment Owned, at Fair Value $ 947,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services ShareThis, Inc. Investment Type Senior Secured Interest Rate SOFR+9.25%, 11.86% floor, 3.00% ETP Initial Acquisition Date 12/3/2018 Maturity Date 7/15/2025      
Investment, Spread   9.25%  
Investment Floor Rate   11.86%  
Investment Interest ETP   3.00%  
Initial Acquisition Date   Dec. 03, 2018  
Maturity Date   Jul. 15, 2025  
Principal Amount   $ 21,000,000  
Investment cost   21,500,000  
Investment Owned, at Fair Value   $ 21,150,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services ShareThis, Inc. Investment Type Senior Secured Interest Rate SOFR+9.25%, 11.86% floor, 3.00% ETP Initial Acquisition Date 12/3/2018 Maturity Date 9/30/2024      
Investment, Spread 9.25%    
Investment Floor Rate 11.86%    
Investment Interest ETP 3.00%    
Initial Acquisition Date Dec. 03, 2018    
Maturity Date Sep. 30, 2024    
Principal Amount $ 19,950,000    
Investment cost 20,503,000    
Investment Owned, at Fair Value $ 19,895,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Data Processing & Outsourced Services Vesta Payment Solutions, Inc. Investment Type Senior Secured Interest Rate SOFR+7.00%, 9.00% floor, 3.00% ETP Initial Acquisition Date 11/29/2022 Maturity Date 11/15/2026      
Investment, Spread 7.00% 7.00%  
Investment Floor Rate 9.00% 9.00%  
Investment Interest ETP 3.00% 3.00%  
Initial Acquisition Date Nov. 29, 2022 Nov. 29, 2022  
Maturity Date Nov. 15, 2026 Nov. 15, 2026  
Principal Amount $ 25,000,000 $ 25,000,000  
Investment cost 24,769,000 24,521,000  
Investment Owned, at Fair Value 24,370,000 24,521,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Education Services      
Investment cost 25,702,000 25,305,000  
Investment Owned, at Fair Value $ 25,796,000 $ 25,305,000  
Percentage of Net Assets 4.72% 4.39%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Education Services Turning Tech Intermediate, Inc. (dba Echo 360, Inc.) Investment Type Senior Secured Interest Rate SOFR+8.50%, 9.00% floor, 13.00% cash cap, 3.00% ETP Initial Acquisition Date 6/22/2021 Maturity Date 12/14/2025      
Investment, Spread 8.50% 8.50%  
Investment Floor Rate 9.00% 9.00%  
Investment Interest Cash Cap 13.00% 13.00%  
Investment Interest ETP 3.00% 3.00%  
Initial Acquisition Date Jun. 22, 2021 Jun. 22, 2021  
Maturity Date Dec. 14, 2025 Dec. 14, 2025  
Principal Amount $ 25,218,000 $ 25,000,000  
Investment cost 25,702,000 25,305,000  
Investment Owned, at Fair Value 25,796,000 25,305,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Electronic Equipment & Instruments      
Investment cost 26,323,000 77,551,000  
Investment Owned, at Fair Value $ 26,790,000 $ 77,551,000  
Percentage of Net Assets 4.90% 13.46%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Electronic Equipment & Instruments Brivo, Inc. Investment Type Senior Secured Interest Rate SOFR+6.85%, 10.89% floor, 3.00% ETP Initial Acquisition Date 10/20/2022 Maturity Date 10/20/2027      
Investment, Spread 6.85%    
Investment Floor Rate 10.89%    
Investment Interest ETP 3.00%    
Initial Acquisition Date Oct. 20, 2022    
Maturity Date Oct. 20, 2027    
Principal Amount $ 26,293,000    
Investment cost 26,323,000    
Investment Owned, at Fair Value 26,790,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Electronic Equipment & Instruments Brivo,Inc. Investment Type Senior Secured Interest Rate SOFR+6.85%, 10.89% floor, 50% of interest PIK, 3.00% ETP Initial Acquisition Date 10/20/2022 Maturity Date 10/20/2027      
Investment, Spread   6.85%  
Investment Floor Rate   10.89%  
Investment Interest PIK   50.00%  
Investment Interest ETP   3.00%  
Initial Acquisition Date   Oct. 20, 2022  
Maturity Date   Oct. 20, 2027  
Principal Amount   $ 44,378,000  
Investment cost   43,912,000  
Investment Owned, at Fair Value   $ 43,912,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Electronic Equipment & Instruments Intellisite Holdings, Inc. (dba Epic IO Technologies, Inc.) Investment Type Senior Secured Interest Rate SOFR+9.75%, 10.25% floor, 2.00% ETP Initial Acquisition Date 12/17/2021 Maturity Date 12/17/2025      
Investment, Spread   9.75%  
Investment Floor Rate   10.25%  
Investment Interest ETP   2.00%  
Initial Acquisition Date   Dec. 17, 2021  
Maturity Date   Dec. 17, 2025  
Principal Amount   $ 34,000,000  
Investment cost   33,639,000  
Investment Owned, at Fair Value   33,639,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Equipment      
Investment cost 14,919,000 27,149,000  
Investment Owned, at Fair Value $ 15,284,000 $ 27,149,000  
Percentage of Net Assets 2.79% 4.71%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Equipment Moximed, Inc. Investment Type Senior Secured Interest Rate PRIME+5.25%, 8.75% floor, 3.50% ETP Initial Acquisition Date 6/24/2022 Maturity Date 7/1/2027      
Investment, Spread 5.25% 5.25%  
Investment Floor Rate 8.75% 8.75%  
Investment Interest ETP 3.50% 3.50%  
Initial Acquisition Date Jun. 24, 2022 Jun. 24, 2022  
Maturity Date Jul. 01, 2027 Jul. 01, 2027  
Principal Amount $ 15,000,000 $ 15,000,000  
Investment cost 14,919,000 14,772,000  
Investment Owned, at Fair Value 15,284,000 $ 14,772,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Equipment Revelle Aesthetics, Inc. Investment Type Senior Secured Interest Rate PRIME+5.50%, 8.75% floor, 4.00% ETP Initial Acquisition Date 3/30/2022 Maturity Date 4/1/2027      
Investment, Spread   5.50%  
Investment Floor Rate   8.75%  
Investment Interest ETP   4.00%  
Initial Acquisition Date   Mar. 30, 2022  
Maturity Date   Apr. 01, 2027  
Principal Amount   $ 12,500,000  
Investment cost   12,377,000  
Investment Owned, at Fair Value   12,377,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology      
Investment cost 124,096,000 226,709,000  
Investment Owned, at Fair Value $ 126,204,000 $ 225,915,000  
Percentage of Net Assets 23.06% 39.22%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology Allurion Technologies, Inc. Investment Type Senior Secured Interest Rate PRIME+6.44%, 9.50% floor, 3.00% ETP Initial Acquisition Date 12/30/2021 Maturity Date 12/30/2026      
Investment, Spread   6.44%  
Investment Floor Rate   9.50%  
Investment Interest ETP   3.00%  
Initial Acquisition Date   Dec. 30, 2021  
Maturity Date   Dec. 30, 2026  
Principal Amount   $ 55,000,000  
Investment cost   54,715,000  
Investment Owned, at Fair Value   $ 54,715,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology EBR Systems, Inc. Investment Type Senior Secured Interest Rate PRIME+4.90%, 8.90% floor, 4.50% ETP Initial Acquisition Date 6/30/2022 Maturity Date 6/15/2027      
Investment, Spread 4.90% 4.90%  
Investment Floor Rate 8.90% 8.90%  
Investment Interest ETP 4.50% 4.50%  
Initial Acquisition Date Jun. 30, 2022 Jun. 30, 2022  
Maturity Date Jun. 15, 2027 Jun. 15, 2027  
Principal Amount $ 40,000,000 $ 20,000,000  
Investment cost 39,496,000 19,648,000  
Investment Owned, at Fair Value $ 40,337,000 $ 19,648,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology Gynesonics, Inc. Investment Type Senior Secured Interest Rate SOFR+8.75%, 9.25% floor, 3.50% ETP Initial Acquisition Date 12/1/2020 Maturity Date 12/1/2025      
Investment, Spread   8.75%  
Investment Floor Rate   9.25%  
Investment Interest ETP   3.50%  
Initial Acquisition Date   Dec. 01, 2020  
Maturity Date   Dec. 01, 2025  
Principal Amount   $ 50,000,000  
Investment cost   50,022,000  
Investment Owned, at Fair Value   $ 50,022,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology Mingle Healthcare Solutions, Inc. Investment Type Senior Secured Interest Rate SOFR+9.50%, 12.01% floor, .25% PIK, 10.50% ETP Initial Acquisition Date 8/15/2018 Maturity Date 12/15/2023      
Investment, Spread   9.50%  
Investment Floor Rate   12.01%  
Investment Interest PIK   0.25%  
Investment Interest ETP   10.50%  
Initial Acquisition Date   Aug. 15, 2018  
Maturity Date   Dec. 15, 2023  
Principal Amount   $ 4,015,000  
Investment cost   4,615,000  
Investment Owned, at Fair Value   $ 3,821,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology Mingle Healthcare Solutions, Inc. Investment Type Senior Secured Interest Rate SOFR+9.75%, 12.26% floor, 10.50% ETP Initial Acquisition Date 8/15/2018 Maturity Date 12/15/2026      
Investment, Spread 9.75%    
Investment Floor Rate 12.26%    
Investment Interest ETP 10.50%    
Initial Acquisition Date Aug. 15, 2018    
Maturity Date Dec. 15, 2026    
Principal Amount $ 4,322,000    
Investment cost 4,952,000    
Investment Owned, at Fair Value $ 3,791,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology Nalu Medical, Inc. Investment Type Senior Secured Interest Rate PRIME+2.70%, 6.70% floor, 2.00% PIK, 4.50% ETP Initial Acquisition Date 10/12/2022 Maturity Date 10/12/2027      
Investment, Spread 2.70% 2.70%  
Investment Floor Rate 6.70% 6.70%  
Investment Interest PIK 2.00% 2.00%  
Investment Interest ETP 4.50% 4.50%  
Initial Acquisition Date Oct. 12, 2022 Oct. 12, 2022  
Maturity Date Oct. 12, 2027 Oct. 12, 2027  
Principal Amount $ 20,482,000 $ 20,071,000  
Investment cost 20,395,000 19,756,000  
Investment Owned, at Fair Value $ 21,191,000 $ 19,756,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology Route 92 Medical, Inc. Investment Type Senior Secured Interest Rate SOFR+8.48%, 8.98% floor, 3.95% ETP Initial Acquisition Date 8/17/2021 Maturity Date 7/1/2026      
Investment, Spread 8.48% 8.48%  
Investment Floor Rate 8.98% 8.98%  
Investment Interest ETP 3.95% 3.95%  
Initial Acquisition Date Aug. 17, 2021 Aug. 17, 2021  
Maturity Date Jul. 01, 2026 Jul. 01, 2026  
Principal Amount $ 35,000,000 $ 13,000,000  
Investment cost 34,239,000 12,843,000  
Investment Owned, at Fair Value $ 35,435,000 $ 12,843,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology SetPoint Medical Corporation Investment Type Senior Secured Interest Rate SOFR+5.75%, 9.00% floor, 4.00% ETP Initial Acquisition Date 12/29/2022 Maturity Date 12/1/2027      
Investment, Spread 5.75% 5.75%  
Investment Floor Rate 9.00% 9.00%  
Investment Interest ETP 4.00% 4.00%  
Initial Acquisition Date Dec. 29, 2022 Dec. 29, 2022  
Maturity Date Dec. 01, 2027 Dec. 01, 2027  
Principal Amount $ 25,000,000 $ 25,000,000  
Investment cost 25,014,000 24,802,000  
Investment Owned, at Fair Value 25,450,000 $ 24,802,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Health Care Technology VERO Biotech LLC Investment Type Senior Secured Interest Rate SOFR+9.05%, 9.55% floor, 3.00% ETP Initial Acquisition Date 12/29/2020 Maturity Date 12/1/2024      
Investment, Spread   9.05%  
Investment Floor Rate   9.55%  
Investment Interest ETP   3.00%  
Initial Acquisition Date   Dec. 29, 2020  
Maturity Date   Dec. 01, 2024  
Principal Amount   $ 40,000,000  
Investment cost   40,308,000  
Investment Owned, at Fair Value   40,308,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Human Resource & Employment Services      
Investment cost 116,109,000 97,267,000  
Investment Owned, at Fair Value $ 112,006,000 $ 96,478,000  
Percentage of Net Assets 20.47% 16.75%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Human Resource & Employment Services CloudPay, Inc. Investment Type Senior Secured Interest Rate PRIME+6.25%, 10.25% floor, 2.00% ETP Initial Acquisition Date 9/26/2022 Maturity Date 8/17/2027      
Investment, Spread 6.25% 6.25%  
Investment Floor Rate 10.25% 10.25%  
Investment Interest ETP 2.00% 2.00%  
Initial Acquisition Date Sep. 26, 2022 Sep. 26, 2022  
Maturity Date Aug. 17, 2027 Aug. 17, 2027  
Principal Amount $ 75,000,000 $ 60,000,000  
Investment cost 74,939,000 59,693,000  
Investment Owned, at Fair Value $ 75,465,000 $ 59,693,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Human Resource & Employment Services Snagajob.com, Inc. Investment Type Senior Secured Interest Rate SOFR+8.50% PIK, 9.00% floor, 2.75% ETP Initial Acquisition Date 9/29/2021 Maturity Date 9/1/2025      
Investment Floor Rate 9.00%    
Investment Interest PIK 8.50%    
Investment Interest ETP 2.75%    
Initial Acquisition Date Sep. 29, 2021    
Maturity Date Sep. 01, 2025    
Principal Amount $ 40,825,000    
Investment cost 41,170,000    
Investment Owned, at Fair Value 36,541,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Human Resource & Employment Services Snagajob.com, Inc. Investment Type Senior Secured Interest Rate SOFR+8.50%, 9.00% floor, 9.00% cash cap, 2.75% ETP Initial Acquisition Date 9/29/2021 Maturity Date 9/1/2025      
Investment, Spread   8.50%  
Investment Floor Rate   9.00%  
Investment Interest Cash Cap   9.00%  
Investment Interest ETP   2.75%  
Initial Acquisition Date   Sep. 29, 2021  
Maturity Date   Sep. 01, 2025  
Principal Amount   $ 37,609,000  
Investment cost   37,574,000  
Investment Owned, at Fair Value   36,785,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet & Direct Marketing Retail      
Investment cost 55,620,000 55,853,000  
Investment Owned, at Fair Value $ 55,309,000 $ 55,853,000  
Percentage of Net Assets 10.11% 9.70%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet & Direct Marketing Retail Madison Reed, Inc. Investment Type Senior Secured Interest Rate PRIME+4.75%, 11.00% floor, 11.00% cash cap, 3.00% ETP Initial Acquisition Date 12/16/2022 Maturity Date 12/16/2026      
Investment, Spread 4.75%    
Investment Floor Rate 11.00%    
Investment Interest Cash Cap 11.00%    
Investment Interest ETP 3.00%    
Initial Acquisition Date Dec. 16, 2022    
Maturity Date Dec. 16, 2026    
Principal Amount $ 10,913,000    
Investment cost 10,784,000    
Investment Owned, at Fair Value $ 10,847,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet & Direct Marketing Retail Madison Reed, Inc. Investment Type Senior Secured Interest Rate PRIME+4.75%, 11.00% floor, 3.00% ETP Initial Acquisition Date 12/16/2022 Maturity Date 12/16/2026      
Investment, Spread   4.75%  
Investment Floor Rate   11.00%  
Investment Interest ETP   3.00%  
Initial Acquisition Date   Dec. 16, 2022  
Maturity Date   Dec. 16, 2026  
Principal Amount   $ 9,600,000  
Investment cost   9,353,000  
Investment Owned, at Fair Value   $ 9,353,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet & Direct Marketing Retail Marley Spoon AG Investment Type Senior Secured Interest Rate SOFR+8.50%, 1.25% PIK, 9.26% floor Initial Acquisition Date 6/30/2021 Maturity Date 6/15/2025      
Investment, Spread   8.50%  
Investment Floor Rate   9.26%  
Investment Interest PIK   1.25%  
Initial Acquisition Date   Jun. 30, 2021  
Maturity Date   Jun. 15, 2025  
Principal Amount   $ 46,754,000  
Investment cost   46,500,000  
Investment Owned, at Fair Value   46,500,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet & Direct Marketing Retail Marley Spoon SE Investment Type Senior Secured Interest Rate SOFR+7.50%, 8.26% floor, 1.25% PIK Initial Acquisition Date 6/30/2021 Maturity Date 6/15/2026      
Investment, Spread 7.50%    
Investment Floor Rate 8.26%    
Investment Interest PIK 1.25%    
Initial Acquisition Date Jun. 30, 2021    
Maturity Date Jun. 15, 2026    
Principal Amount $ 44,983,000    
Investment cost 44,836,000    
Investment Owned, at Fair Value 44,462,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services      
Investment cost 97,402,000 147,332,000  
Investment Owned, at Fair Value $ 96,820,000 $ 146,535,000  
Percentage of Net Assets 17.70% 25.44%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services Bombora, Inc. Investment Type Senior Secured Interest Rate SOFR+4.75%, 6.75% floor, 3.25% PIK, 0.96% ETP Initial Acquisition Date 12/26/2023 Maturity Date 1/15/2028      
Investment, Spread 4.75%    
Investment Floor Rate 6.75%    
Investment Interest PIK 3.25%    
Investment Interest ETP 0.96%    
Initial Acquisition Date Dec. 26, 2023    
Maturity Date Jan. 15, 2028    
Principal Amount $ 28,000,000    
Investment cost 27,879,000    
Investment Owned, at Fair Value $ 27,879,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services Bombora, Inc. Investment Type Senior Secured Interest Rate SOFR+5.00%, 5.76% floor, 3.75% PIK, 2.00% ETP Initial Acquisition Date 3/31/2021 Maturity Date 3/31/2025      
Investment, Spread   5.00%  
Investment Floor Rate   5.76%  
Investment Interest PIK   3.75%  
Investment Interest ETP   2.00%  
Initial Acquisition Date   Mar. 31, 2021  
Maturity Date   Mar. 31, 2025  
Principal Amount   $ 21,341,000  
Investment cost   21,337,000  
Investment Owned, at Fair Value   $ 21,337,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services Fidelis Cybersecurity, Inc. Investment Type Senior Secured Interest Rate SOFR+11.00%, 12.00% floor, 2.39% ETP Initial Acquisition Date 3/25/2022 Maturity Date 5/13/2024      
Investment, Spread   11.00%  
Investment Floor Rate   12.00%  
Investment Interest ETP   2.00%  
Initial Acquisition Date   Mar. 25, 2022  
Maturity Date   May 13, 2024  
Principal Amount   $ 8,947,000  
Investment cost   8,986,000  
Investment Owned, at Fair Value   $ 8,692,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services Fidelis Cybersecurity, Inc. Investment Type Senior Secured Interest Rate SOFR+11.00%, 12.00% floor, 2.39% ETP Initial Acquisition Date 5/13/2021 Maturity Date 5/13/2024      
Investment, Spread   11.00%  
Investment Floor Rate   12.00%  
Investment Interest ETP   2.39%  
Initial Acquisition Date   May 13, 2021  
Maturity Date   May 13, 2024  
Principal Amount   $ 12,205,000  
Investment cost   12,360,000  
Investment Owned, at Fair Value   $ 11,857,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services INRIX, Inc. Investment Type Senior Secured Interest Rate SOFR+9.00%, 9.76% floor, 2.50% ETP Initial Acquisition Date 11/15/2021 Maturity Date 11/15/2025      
Investment, Spread   9.00%  
Investment Floor Rate   9.76%  
Investment Interest ETP   2.50%  
Initial Acquisition Date   Nov. 15, 2021  
Maturity Date   Nov. 15, 2025  
Principal Amount   $ 45,000,000  
Investment cost   45,329,000  
Investment Owned, at Fair Value   $ 45,329,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services Skillshare, Inc. Investment Type Senior Secured Interest Rate SOFR+6.50%, 10.72% floor, 3.00% ETP Initial Acquisition Date 11/8/2022 Maturity Date 11/8/2026      
Investment, Spread 6.50% 6.50%  
Investment Floor Rate 10.72% 10.72%  
Investment Interest ETP 3.00% 3.00%  
Initial Acquisition Date Nov. 08, 2022 Nov. 08, 2022  
Maturity Date Nov. 08, 2026 Nov. 08, 2026  
Principal Amount $ 30,000,000 $ 25,000,000  
Investment cost 29,765,000 24,414,000  
Investment Owned, at Fair Value $ 29,183,000 $ 24,414,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services Synack, Inc. Investment Type Senior Secured Interest Rate PRIME+4.25%, 8.25% floor Initial Acquisition Date 6/30/2022 Maturity Date 6/30/2027      
Investment, Spread   4.25%  
Investment Floor Rate   8.25%  
Initial Acquisition Date   Jun. 30, 2022  
Maturity Date   Jun. 30, 2027  
Principal Amount   $ 35,000,000  
Investment cost   34,906,000  
Investment Owned, at Fair Value   34,906,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Internet Software and Services Synack, Inc. Investment Type Senior Secured Interest Rate SOFR+7.00%, 11.07% floor, 1.00% ETP Initial Acquisition Date 12/29/2023 Maturity Date 12/29/2028      
Investment, Spread 7.00%    
Investment Floor Rate 11.07%    
Investment Interest ETP 1.00%    
Initial Acquisition Date Dec. 29, 2023    
Maturity Date Dec. 29, 2028    
Principal Amount $ 40,000,000    
Investment cost 39,758,000    
Investment Owned, at Fair Value 39,758,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Property & Casualty Insurance      
Investment cost 74,877,000 49,143,000  
Investment Owned, at Fair Value $ 74,767,000 $ 49,143,000  
Percentage of Net Assets 13.67% 8.53%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments Property & Casualty Insurance Kin Insurance, Inc. Investment Type Senior Secured Interest Rate PRIME+6.25%, 12.50% floor, 3.00% ETP Initial Acquisition Date 9/26/2022 Maturity Date 9/15/2026      
Investment, Spread 6.25% 6.25%  
Investment Floor Rate 12.50% 12.50%  
Investment Interest ETP 3.00% 3.00%  
Initial Acquisition Date Sep. 26, 2022 Sep. 26, 2022  
Maturity Date Sep. 15, 2026 Sep. 15, 2026  
Principal Amount $ 75,000,000 $ 50,000,000  
Investment cost 74,877,000 49,143,000  
Investment Owned, at Fair Value 74,767,000 49,143,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments System Software      
Investment cost 113,832,000 78,083,000  
Investment Owned, at Fair Value $ 112,955,000 $ 78,083,000  
Percentage of Net Assets 20.64% 13.55%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments System Software 3PL Central LLC Investment Type Senior Secured Interest Rate SOFR+4.50%, 6.50 floor, 2.50% PIK, 2.00% ETP Initial Acquisition Date 11/9/2022 Maturity Date 11/9/2027      
Investment, Spread 4.50% 4.50%  
Investment Floor Rate 6.50% 6.50%  
Investment Interest PIK 2.50% 2.50%  
Investment Interest ETP 2.00% 2.00%  
Initial Acquisition Date Nov. 09, 2022 Nov. 09, 2022  
Maturity Date Nov. 09, 2027 Nov. 09, 2027  
Principal Amount $ 70,395,000 $ 65,163,000  
Investment cost 70,064,000 64,429,000  
Investment Owned, at Fair Value $ 69,066,000 $ 64,429,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments System Software Dejero Labs Inc. Investment Type Second Lien Interest Rate SOFR+8.00%, 8.50% floor, 2.00% PIK, 3.00% ETP Initial Acquisition Date 12/22/2021 Maturity Date 12/22/2025      
Investment, Spread 8.00%    
Investment Floor Rate 8.50%    
Investment Interest PIK 2.00%    
Investment Interest ETP 3.00%    
Initial Acquisition Date Dec. 22, 2021    
Maturity Date Dec. 22, 2025    
Principal Amount $ 14,172,000    
Investment cost 14,278,000    
Investment Owned, at Fair Value $ 14,399,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments System Software Dejero Labs Inc. Investment Type Senior Lien Interest Rate SOFR+5.00%, 5.50 floor, 5.00% PIK, 3.00% ETP Initial Acquisition Date 12/22/2021 Maturity Date 12/22/2025      
Investment, Spread   5.00%  
Investment Floor Rate   5.50%  
Investment Interest PIK   5.00%  
Investment Interest ETP   3.00%  
Initial Acquisition Date   Dec. 22, 2021  
Maturity Date   Dec. 22, 2025  
Principal Amount   $ 13,661,000  
Investment cost   13,654,000  
Investment Owned, at Fair Value   13,654,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Debt Investments System Software Linxup, LLC Investment Type Senior Secured Interest Rate PRIME+3.25%, 11.75% floor, 2.25% ETP Initial Acquisition Date 11/03/2023 Maturity Date 11/15/2027      
Investment, Spread 3.25%    
Investment Floor Rate 11.75%    
Investment Interest ETP 2.25%    
Initial Acquisition Date Nov. 03, 2023    
Maturity Date Nov. 15, 2027    
Principal Amount $ 30,000,000    
Investment cost 29,490,000    
Investment Owned, at Fair Value 29,490,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments      
Investment cost 18,449,000 16,546,000  
Investment Owned, at Fair Value $ 5,721,000 $ 14,605,000  
Percentage of Net Assets 1.05% 2.54%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Advertising      
Investment cost $ 136,000    
Investment Owned, at Fair Value $ 136,000    
Percentage of Net Assets 0.03%    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Advertising Minute Media Inc. Investment Type Equity Common Stock Initial Acquisition Date 12/13/2023      
Initial Acquisition Date Dec. 13, 2023    
Principal/ Shares 134    
Investment cost $ 16,000    
Investment Owned, at Fair Value $ 16,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Advertising Minute Media Inc. Investment Type Equity Preferred Stock Initial Acquisition Date 12/13/2023      
Initial Acquisition Date Dec. 13, 2023    
Principal/ Shares 1,030    
Investment cost $ 120,000    
Investment Owned, at Fair Value 120,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Application Software      
Investment cost 688,000 $ 688,000  
Investment Owned, at Fair Value $ 390,000 $ 1,769,000  
Percentage of Net Assets 0.07% 0.31%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Application Software Aria Systems, Inc. Investment Type Equity Series G Preferred Stock Initial Acquisition Date 7/10/2018      
Initial Acquisition Date Jul. 10, 2018 Jul. 10, 2018  
Principal/ Shares 289,419 289,419  
Investment cost $ 250,000 $ 250,000  
Investment Owned, at Fair Value $ 127,000 $ 347,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Application Software FiscalNote, Inc. Investment Type Equity Common Stock Initial Acquisition Date 10/19/2020      
Initial Acquisition Date Oct. 19, 2020 Oct. 19, 2020  
Principal/ Shares 230,881 230,881  
Investment cost $ 438,000 $ 438,000  
Investment Owned, at Fair Value 263,000 1,422,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Health Care Technology      
Investment cost 12,132,000 12,132,000  
Investment Owned, at Fair Value $ 3,553,000 $ 12,335,000  
Percentage of Net Assets 0.65% 2.14%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Health Care Technology CareCloud, Inc. Investment Type Equity 11% Series A Cumulative Redeemable Perpetual Initial Acquisition Date 1/8/2020      
Initial Acquisition Date   Jan. 08, 2020  
Principal/ Shares   462,064  
Investment cost   $ 12,132,000  
Investment Owned, at Fair Value   $ 12,335,000  
Temporary equity, dividend rate percentage   11.00%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Health Care Technology CareCloud, Inc. Investment Type Equity 11% Series A Cumulative Redeemable Perpetual Preferred Stock Initial Acquisition Date 1/8/2020      
Initial Acquisition Date Jan. 08, 2020    
Principal/ Shares 462,064    
Investment cost $ 12,132,000    
Investment Owned, at Fair Value $ 3,553,000    
Temporary equity, dividend rate percentage 11.00%    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Human Resource & Employment Services      
Investment cost $ 1,357,000    
Investment Owned, at Fair Value $ 1,357,000    
Percentage of Net Assets 0.25%    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Human Resource & Employment Services Snagajob.com, Inc. Investment Type Equity Convertible Note Initial Acquisition Date 10/26/2023 Maturity Date 12/31/2026      
Initial Acquisition Date Oct. 26, 2023    
Maturity Date Dec. 31, 2026    
Principal/ Shares 1,357    
Investment cost $ 1,357,000    
Investment Owned, at Fair Value 1,357,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Internet & Direct Marketing Retail      
Investment cost 410,000    
Investment Owned, at Fair Value $ 125,000    
Percentage of Net Assets 0.02%    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Internet & Direct Marketing Retail Marley Spoon SE Investment Type Equity Common Stock Initial Acquisition Date 7/7/2023      
Initial Acquisition Date Jul. 07, 2023    
Principal/ Shares 46,004    
Investment cost $ 410,000    
Investment Owned, at Fair Value 125,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Technology Hardware, Storage & Peripherals      
Investment cost 3,726,000 $ 3,726,000  
Investment Owned, at Fair Value $ 160,000 $ 501,000  
Percentage of Net Assets 0.03% 0.09%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Technology Hardware, Storage & Peripherals Quantum Corporation Investment Type Equity Common Stock Initial Acquisition Date 8/13/2021      
Initial Acquisition Date Aug. 13, 2021 Aug. 13, 2021  
Principal/ Shares 459,720 459,720  
Investment cost $ 2,607,000 $ 2,607,000  
Investment Owned, at Fair Value $ 160,000 $ 501,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Equity Investments Technology Hardware, Storage & Peripherals zSpace, Inc. Investment Type Equity Common Stock Initial Acquisition Date 12/31/2020      
Initial Acquisition Date Dec. 31, 2020 Dec. 31, 2020  
Principal/ Shares 6,078,499 6,078,499  
Investment cost $ 1,119,000 $ 1,119,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants      
Investment cost 20,247,000 19,127,000  
Investment Owned, at Fair Value $ 11,971,000 $ 15,845,000  
Percentage of Net Assets 2.19% 2.75%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Advertising      
Investment cost   $ 246,000  
Percentage of Net Assets   0.00%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Advertising STN Video Inc. Class B Non-Voting Stock Initial Acquisition Date 6/30/2017 Maturity Date 6/30/2027      
Initial Acquisition Date   Jun. 30, 2017  
Maturity Date   Jun. 30, 2027  
Principal/ Shares   191,500  
Investment cost   $ 246,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software      
Investment cost $ 6,400,000 5,928,000  
Investment Owned, at Fair Value $ 2,196,000 $ 3,649,000  
Percentage of Net Assets 0.40% 0.63%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software 3DNA Corp. (dba NationBuilder) Investment Type Warrants Series C-1 Preferred Stock Initial Acquisition Date 12/28/2018 Maturity Date 12/28/2028      
Initial Acquisition Date Dec. 28, 2018    
Maturity Date Dec. 28, 2028    
Principal/ Shares 273,164    
Investment cost $ 104,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software 3DNA Corp. (dba NationBuilder) Series C-1 Preferred Stock Initial Acquisition Date 12/28/2018 Maturity Date 12/28/2028      
Initial Acquisition Date   Dec. 28, 2018  
Maturity Date   Dec. 28, 2028  
Principal/ Shares   273,164  
Investment cost   $ 104,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Aria Systems, Inc. Investment Type Warrants Series G Preferred Stock Initial Acquisition Date 6/29/2018 Maturity Date 6/29/2028      
Initial Acquisition Date Jun. 29, 2018    
Maturity Date Jun. 29, 2028    
Principal/ Shares 2,387,705    
Investment cost $ 1,048,000    
Investment Owned, at Fair Value $ 1,048,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Aria Systems, Inc. Series G Preferred Stock Initial Acquisition Date 6/29/2018 Maturity Date 6/29/2028      
Initial Acquisition Date   Jun. 29, 2018  
Maturity Date   Jun. 29, 2028  
Principal/ Shares   2,387,705  
Investment cost   $ 1,048,000  
Investment Owned, at Fair Value   $ 2,865,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Blueshift Labs, Inc. Investment Type Warrants Success fee Initial Acquisition Date 12/19/2023      
Initial Acquisition Date Dec. 19, 2023    
Investment cost $ 167,000    
Investment Owned, at Fair Value $ 167,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Circadence Corporation Investment Type Warrants Series A-6 Preferred Stock Initial Acquisition Date 10/31/2019 Maturity Date 10/31/2029      
Initial Acquisition Date Oct. 31, 2019    
Maturity Date Oct. 31, 2029    
Principal/ Shares 384,615    
Investment cost $ 846,000    
Investment Owned, at Fair Value $ 12,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Circadence Corporation Investment Type Warrants Series A-6 Preferred Stock Initial Acquisition Date 12/20/2018 Maturity Date 12/20/2028      
Initial Acquisition Date Dec. 20, 2018    
Maturity Date Dec. 20, 2028    
Principal/ Shares 1,538,462    
Investment cost $ 3,630,000    
Investment Owned, at Fair Value $ 48,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Circadence Corporation Investment Type Warrants Success fee Initial Acquisition Date 12/21/2023      
Initial Acquisition Date Dec. 21, 2023    
Investment cost $ 304,000    
Investment Owned, at Fair Value $ 283,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Circadence Corporation Series A-6 Preferred Stock Initial Acquisition Date 10/31/2019 Maturity Date 10/31/2029      
Initial Acquisition Date   Oct. 31, 2019  
Maturity Date   Oct. 31, 2029  
Principal/ Shares   384,615  
Investment cost   $ 845,000  
Investment Owned, at Fair Value   $ 22,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Circadence Corporation Series A-6 Preferred Stock Initial Acquisition Date 12/20/2018 Maturity Date 12/20/2028      
Initial Acquisition Date   Dec. 20, 2018  
Maturity Date   Dec. 20, 2028  
Principal/ Shares   1,538,462  
Investment cost   $ 3,630,000  
Investment Owned, at Fair Value   $ 87,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Dtex Systems, Inc. Investment Type Warrants Series C-Prime Preferred Stock Initial Acquisition Date 6/1/2018 Maturity Date 6/1/2025      
Initial Acquisition Date Jun. 01, 2018    
Maturity Date Jun. 01, 2025    
Principal/ Shares 500,000    
Investment cost $ 59,000    
Investment Owned, at Fair Value $ 233,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Dtex Systems, Inc. Series C-Prime Preferred Stock Initial Acquisition Date 6/1/2018 Maturity Date 6/1/2025      
Initial Acquisition Date   Jun. 01, 2018  
Maturity Date   Jun. 01, 2025  
Principal/ Shares   500,000  
Investment cost   $ 59,000  
Investment Owned, at Fair Value   $ 214,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Dtex Systems, Inc. Series C-Prime Preferred Stock Initial Acquisition Date 7/11/2019 Maturity Date 7/11/2026      
Initial Acquisition Date   Jul. 11, 2019  
Maturity Date   Jul. 11, 2026  
Principal/ Shares   833,333  
Investment cost   $ 115,000  
Investment Owned, at Fair Value   $ 356,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Dtex Systems, Inc.Investment Type Warrants Series C-Prime Preferred Stock Initial Acquisition Date 7/11/2019 Maturity Date 7/11/2026      
Initial Acquisition Date Jul. 11, 2019    
Maturity Date Jul. 11, 2026    
Principal/ Shares 833,333    
Investment cost $ 115,000    
Investment Owned, at Fair Value $ 389,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software FiscalNote, Inc. Earnout Initial Acquisition Date 7/29/2022 Maturity Date 7/29/2027      
Initial Acquisition Date   Jul. 29, 2022  
Maturity Date   Jul. 29, 2027  
Investment cost   $ 127,000  
Investment Owned, at Fair Value   $ 105,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software FiscalNote, Inc. Investment Type Warrants Earnout Initial Acquisition Date 7/29/2022 Maturity Date 7/29/2027      
Initial Acquisition Date Jul. 29, 2022    
Maturity Date Jul. 29, 2027    
Investment cost $ 127,000    
Investment Owned, at Fair Value 16,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Application Software Porch Group, Inc. Earnout Initial Acquisition Date 12/23/2020 Maturity Date 12/23/2023      
Initial Acquisition Date   Dec. 23, 2020  
Maturity Date   Dec. 23, 2023  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Asset Management & Custody Banks      
Investment cost 75,000    
Investment Owned, at Fair Value $ 161,000    
Percentage of Net Assets 0.03%    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Asset Management & Custody Banks Betterment Holdings, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 10/6/2023 Maturity Date 10/6/2033      
Initial Acquisition Date Oct. 06, 2023    
Maturity Date Oct. 06, 2033    
Principal/ Shares 7,680    
Investment cost $ 35,000    
Investment Owned, at Fair Value $ 146,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Asset Management & Custody Banks Betterment Holdings, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 10/6/2023 Maturity Date 10/6/2033 one      
Initial Acquisition Date Oct. 06, 2023    
Maturity Date Oct. 06, 2033    
Principal/ Shares 9,818    
Investment cost $ 40,000    
Investment Owned, at Fair Value 15,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Biotechnology      
Investment cost 541,000 $ 541,000  
Investment Owned, at Fair Value $ 51,000 $ 216,000  
Percentage of Net Assets 0.01% 0.04%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Biotechnology Mustang Bio, Inc. Common Stock Initial Acquisition Date 3/4/2022 Maturity Date 3/4/2032      
Initial Acquisition Date   Mar. 04, 2022  
Maturity Date   Mar. 04, 2032  
Principal/ Shares   748,036  
Investment cost   $ 315,000  
Investment Owned, at Fair Value   $ 59,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Biotechnology Mustang Bio, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 3/4/2022 Maturity Date 3/4/2032      
Initial Acquisition Date Mar. 04, 2022    
Maturity Date Mar. 04, 2032    
Principal/ Shares 748,036    
Investment cost $ 315,000    
Investment Owned, at Fair Value $ 39,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Biotechnology TRACON Pharmaceuticals, Inc. Common Stock Initial Acquisition Date 9/2/2022 Maturity Date 9/2/2032      
Initial Acquisition Date   Sep. 02, 2022  
Maturity Date   Sep. 02, 2032  
Principal/ Shares   150,753  
Investment cost   $ 226,000  
Investment Owned, at Fair Value   157,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Biotechnology TRACON Pharmaceuticals, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 9/2/2022 Maturity Date 9/2/2032      
Initial Acquisition Date Sep. 02, 2022    
Maturity Date Sep. 02, 2032    
Principal/ Shares 150,753    
Investment cost $ 226,000    
Investment Owned, at Fair Value 12,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Computer & Electronics Retail      
Investment cost $ 183,000 183,000  
Investment Owned, at Fair Value   $ 68,000  
Percentage of Net Assets 0.00% 0.01%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Computer & Electronics Retail Massdrop, Inc. Investment Type Warrants Series B Preferred Stock Initial Acquisition Date 7/22/2019 Maturity Date 7/22/2029      
Initial Acquisition Date Jul. 22, 2019    
Maturity Date Jul. 22, 2029    
Principal/ Shares 848,093    
Investment cost $ 183,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Computer & Electronics Retail Massdrop, Inc. Series B Preferred Stock Initial Acquisition Date 7/22/2019 Maturity Date 7/22/2029      
Initial Acquisition Date   Jul. 22, 2019  
Maturity Date   Jul. 22, 2029  
Principal/ Shares   848,093  
Investment cost   $ 183,000  
Investment Owned, at Fair Value   68,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Data Processing & Outsourced Services      
Investment cost 2,828,000 2,381,000  
Investment Owned, at Fair Value $ 1,254,000 $ 1,932,000  
Percentage of Net Assets 0.23% 0.34%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Data Processing & Outsourced Services Elevate Services, Inc. Investment Type Warrants Series C Preferred Stock Initial Acquisition Date 7/10/2023 Maturity Date 7/10/2033      
Initial Acquisition Date Jul. 10, 2023    
Maturity Date Jul. 10, 2033    
Principal/ Shares 248,997    
Investment cost $ 447,000    
Investment Owned, at Fair Value $ 384,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Data Processing & Outsourced Services Interactions Corporation Common Stock Initial Acquisition Date 6/24/2022 Maturity Date 6/24/2032      
Initial Acquisition Date   Jun. 24, 2022  
Maturity Date   Jun. 24, 2032  
Principal/ Shares   189,408  
Investment cost   $ 219,000  
Investment Owned, at Fair Value   $ 204,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Data Processing & Outsourced Services Interactions Corporation Investment Type Warrants Common Stock Initial Acquisition Date 6/24/2022 Maturity Date 6/24/2032      
Initial Acquisition Date Jun. 24, 2022    
Maturity Date Jun. 24, 2032    
Principal/ Shares 189,408    
Investment cost $ 219,000    
Investment Owned, at Fair Value $ 67,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Data Processing & Outsourced Services ShareThis, Inc. Investment Type Warrants Series D-3 Preferred Stock Initial Acquisition Date 12/3/2018 Maturity Date 12/3/2028      
Initial Acquisition Date Dec. 03, 2018    
Maturity Date Dec. 03, 2028    
Principal/ Shares 647,615    
Investment cost $ 2,162,000    
Investment Owned, at Fair Value 803,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Data Processing & Outsourced Services ShareThis, Inc. Series D-3 Preferred Stock Initial Acquisition Date 12/3/2018 Maturity Date 12/3/2028      
Initial Acquisition Date   Dec. 03, 2018  
Maturity Date   Dec. 03, 2028  
Principal/ Shares   647,615  
Investment cost   $ 2,162,000  
Investment Owned, at Fair Value   1,728,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Electronic Equipment & Instruments      
Investment cost 603,000 528,000  
Investment Owned, at Fair Value $ 745,000 $ 563,000  
Percentage of Net Assets 0.14% 0.10%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Electronic Equipment & Instruments Brivo, Inc. Investment Type Warrants Series A-2 Preferred Stock Initial Acquisition Date 10/20/2022 Maturity Date 10/20/2032      
Initial Acquisition Date Oct. 20, 2022    
Maturity Date Oct. 20, 2032    
Principal/ Shares 201,000    
Investment cost $ 98,000    
Investment Owned, at Fair Value $ 322,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Electronic Equipment & Instruments Brivo, Inc. Series A-2 Preferred Stock Initial Acquisition Date 10/20/2022 Maturity Date 10/20/2032      
Initial Acquisition Date   Oct. 20, 2022  
Maturity Date   Oct. 20, 2032  
Principal/ Shares   201,000  
Investment cost   $ 98,000  
Investment Owned, at Fair Value   $ 107,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Electronic Equipment & Instruments Epic IO Technologies, Inc. Investment Type Warrants Success fee Initial Acquisition Date 12/17/2021 Maturity Date 12/17/2028      
Initial Acquisition Date Dec. 17, 2021    
Maturity Date Dec. 17, 2028    
Investment cost $ 505,000    
Investment Owned, at Fair Value 423,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Electronic Equipment & Instruments Epic IO Technologies, Inc. Success fee Initial Acquisition Date 12/17/2021 Maturity Date 12/17/2024      
Initial Acquisition Date   Dec. 17, 2021  
Maturity Date   Dec. 17, 2024  
Investment cost   $ 430,000  
Investment Owned, at Fair Value   456,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Equipment      
Investment cost 301,000 302,000  
Investment Owned, at Fair Value $ 240,000 $ 284,000  
Percentage of Net Assets 0.04% 0.05%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Equipment Moximed, Inc. Investment Type Warrants Series C Preferred Stock Initial Acquisition Date 6/24/2022 Maturity Date 6/24/2032      
Initial Acquisition Date Jun. 24, 2022    
Maturity Date Jun. 24, 2032    
Principal/ Shares 214,285    
Investment cost $ 175,000    
Investment Owned, at Fair Value $ 138,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Equipment Moximed, Inc. Series C Preferred Stock Initial Acquisition Date 6/24/2022 Maturity Date 6/24/2032      
Initial Acquisition Date   Jun. 24, 2022  
Maturity Date   Jun. 24, 2032  
Principal/ Shares   214,285  
Investment cost   $ 175,000  
Investment Owned, at Fair Value   $ 163,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Equipment Revelle Aesthetics, Inc. Investment Type Warrants Series A-2 Preferred Stock Initial Acquisition Date 3/30/2022 Maturity Date 3/30/2032      
Initial Acquisition Date Mar. 30, 2022    
Maturity Date Mar. 30, 2032    
Principal/ Shares 115,591    
Investment cost $ 126,000    
Investment Owned, at Fair Value 102,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Equipment Revelle Aesthetics, Inc. Series A-2 Preferred Stock Initial Acquisition Date 3/30/2022 Maturity Date 3/30/2032      
Initial Acquisition Date   Mar. 30, 2022  
Maturity Date   Mar. 30, 2032  
Principal/ Shares   115,591  
Investment cost   $ 127,000  
Investment Owned, at Fair Value   121,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology      
Investment cost 3,137,000 3,415,000  
Investment Owned, at Fair Value $ 2,506,000 $ 2,594,000  
Percentage of Net Assets 0.46% 0.45%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Allurion Technologies, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 09/15/2022 Maturity Date 1/22/2025      
Initial Acquisition Date Sep. 15, 2022    
Maturity Date Jan. 22, 2025    
Principal/ Shares 46,256    
Investment cost $ 144,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Allurion Technologies, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 3/30/2021 Maturity Date 1/22/2025      
Initial Acquisition Date Mar. 30, 2021    
Maturity Date Jan. 22, 2025    
Principal/ Shares 132,979    
Investment cost $ 282,000    
Investment Owned, at Fair Value $ 15,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Allurion Technologies, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 6/14/2022 Maturity Date 1/22/2025      
Initial Acquisition Date Jun. 14, 2022    
Maturity Date Jan. 22, 2025    
Principal/ Shares 46,256    
Investment cost $ 141,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Allurion Technologies, Inc. Investment Type Warrants Earnout Initial Acquisition Date 8/2/2023 Maturity Date 8/1/2028      
Initial Acquisition Date Aug. 02, 2023    
Maturity Date Aug. 01, 2028    
Investment Owned, at Fair Value $ 77,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Allurion Technologies, Inc. Series C Preferred Stock Initial Acquisition Date 3/30/2021 Maturity Date 3/30/2031      
Initial Acquisition Date   Mar. 30, 2021  
Maturity Date   Mar. 30, 2031  
Principal/ Shares   132,979  
Investment cost   $ 283,000  
Investment Owned, at Fair Value   $ 632,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Allurion Technologies, Inc. Series D-1 Preferred Stock Initial Acquisition Date 6/14/2022 Maturity Date 3/30/2031      
Initial Acquisition Date   Jun. 14, 2022  
Maturity Date   Mar. 30, 2031  
Principal/ Shares   88,440  
Investment cost   $ 284,000  
Investment Owned, at Fair Value   $ 259,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology CareCloud, Inc. Common Stock Initial Acquisition Date 1/8/2020 Maturity Date 1/8/2023      
Initial Acquisition Date   Jan. 08, 2020  
Maturity Date   Jan. 08, 2023  
Principal/ Shares   1,000,000  
Investment cost   $ 837,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology EBR Systems, Inc. Investment Type Warrants Success fee Initial Acquisition Date 6/30/2022 Maturity Date 6/30/2032      
Initial Acquisition Date Jun. 30, 2022    
Maturity Date Jun. 30, 2032    
Investment cost $ 605,000    
Investment Owned, at Fair Value $ 690,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology EBR Systems, Inc. Success fee Initial Acquisition Date 6/30/2022 Maturity Date 6/30/2032      
Initial Acquisition Date   Jun. 30, 2022  
Maturity Date   Jun. 30, 2032  
Investment cost   $ 292,000  
Investment Owned, at Fair Value   $ 305,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Gynesonics, Inc. Series G Convertible Preferred Stock Initial Acquisition Date 11/19/2021 Maturity Date 11/19/2031      
Initial Acquisition Date   Nov. 19, 2021  
Maturity Date   Nov. 19, 2031  
Principal/ Shares   27,978,115  
Investment cost   $ 341,000  
Investment Owned, at Fair Value   $ 446,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Mingle Healthcare Solutions, Inc. Investment Type Warrants Series CC Preferred Stock Initial Acquisition Date 8/15/2018 Maturity Date 8/15/2028      
Initial Acquisition Date Aug. 15, 2018    
Maturity Date Aug. 15, 2028    
Principal/ Shares 1,770,973    
Investment cost $ 492,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Mingle Healthcare Solutions, Inc. Series CC Preferred Stock Initial Acquisition Date 8/15/2018 Maturity Date 8/15/2028      
Initial Acquisition Date   Aug. 15, 2018  
Maturity Date   Aug. 15, 2028  
Principal/ Shares   1,770,973  
Investment cost   $ 492,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Nalu Medical, Inc. Investment Type Warrants Series D-2 Preferred Stock Initial Acquisition Date 10/12/2022 Maturity Date 10/12/2032      
Initial Acquisition Date Oct. 12, 2022    
Maturity Date Oct. 12, 2032    
Principal/ Shares 91,717    
Investment cost $ 173,000    
Investment Owned, at Fair Value $ 99,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Nalu Medical, Inc. Series D-2 Preferred Stock Initial Acquisition Date 10/12/2022 Maturity Date 10/12/2032      
Initial Acquisition Date   Oct. 12, 2022  
Maturity Date   Oct. 12, 2032  
Principal/ Shares   91,717  
Investment cost   $ 173,000  
Investment Owned, at Fair Value   $ 137,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Route 92 Medical, Inc. Investment Type Warrants Success Fee Initial Acquisition Date 8/17/2021 Maturity Date 8/17/2031      
Initial Acquisition Date Aug. 17, 2021    
Maturity Date Aug. 17, 2031    
Investment cost $ 835,000    
Investment Owned, at Fair Value $ 897,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology Route 92 Medical, Inc. Success fee Initial Acquisition Date 8/17/2021 Maturity Date 8/17/2031      
Initial Acquisition Date   Aug. 17, 2021  
Maturity Date   Aug. 17, 2031  
Investment cost   $ 248,000  
Investment Owned, at Fair Value   $ 297,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology SetPoint Medical Corporation Investment Type Warrants Series B Preferred Stock Initial Acquisition Date 12/29/2022 Maturity Date 12/29/2032      
Initial Acquisition Date Dec. 29, 2022    
Maturity Date Dec. 29, 2032    
Principal/ Shares 600,000    
Investment cost $ 74,000    
Investment Owned, at Fair Value $ 199,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology SetPoint Medical Corporation Investment Type Warrants Series B Preferred Stock Initial Acquisition Date 6/29/2021 Maturity Date 6/29/2031      
Initial Acquisition Date Jun. 29, 2021    
Maturity Date Jun. 29, 2031    
Principal/ Shares 400,000    
Investment cost $ 14,000    
Investment Owned, at Fair Value $ 133,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology SetPoint Medical Corporation Series B Preferred Stock Initial Acquisition Date 12/29/2022 Maturity Date 12/29/2032      
Initial Acquisition Date   Dec. 29, 2022  
Maturity Date   Dec. 29, 2032  
Principal/ Shares   600,000  
Investment cost   $ 74,000  
Investment Owned, at Fair Value   $ 74,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology SetPoint Medical Corporation Series B Preferred Stock Initial Acquisition Date 6/29/2021 Maturity Date 6/29/2031      
Initial Acquisition Date   Jun. 29, 2021  
Maturity Date   Jun. 29, 2031  
Principal/ Shares   400,000  
Investment cost   $ 14,000  
Investment Owned, at Fair Value   $ 50,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology VERO Biotech LLC Investment Type Warrants Success Fee Initial Acquisition Date 12/29/2020 Maturity Date 12/29/2025      
Initial Acquisition Date Dec. 29, 2020    
Maturity Date Dec. 29, 2025    
Investment cost $ 377,000    
Investment Owned, at Fair Value 396,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Health Care Technology VERO Biotech LLC Success fee Initial Acquisition Date 12/29/2020 Maturity Date 12/29/2025      
Initial Acquisition Date   Dec. 29, 2020  
Maturity Date   Dec. 29, 2025  
Investment cost   $ 377,000  
Investment Owned, at Fair Value   394,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Human Resource & Employment Services      
Investment cost 789,000 721,000  
Investment Owned, at Fair Value $ 1,239,000 $ 1,310,000  
Percentage of Net Assets 0.23% 0.23%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Human Resource & Employment Services CloudPay, Inc. Investment Type Warrants Series B Preferred Stock Initial Acquisition Date 6/30/2020 Maturity Date 6/30/2030      
Initial Acquisition Date Jun. 30, 2020    
Maturity Date Jun. 30, 2030    
Principal/ Shares 11,273    
Investment cost $ 218,000    
Investment Owned, at Fair Value $ 1,001,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Human Resource & Employment Services CloudPay, Inc. Investment Type Warrants Series D Preferred Stock Initial Acquisition Date 8/17/2021 Maturity Date 8/17/2031      
Initial Acquisition Date Aug. 17, 2021    
Maturity Date Aug. 17, 2031    
Principal/ Shares 3,502    
Investment cost $ 52,000    
Investment Owned, at Fair Value $ 95,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Human Resource & Employment Services CloudPay, Inc. Investment Type Warrants Series D Preferred Stock Initial Acquisition Date 9/26/2022 Maturity Date 9/26/2032      
Initial Acquisition Date Sep. 26, 2022    
Maturity Date Sep. 26, 2032    
Principal/ Shares 5,252    
Investment cost $ 176,000    
Investment Owned, at Fair Value $ 143,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Human Resource & Employment Services CloudPay, Inc. Series B Preferred Stock Initial Acquisition Date 6/30/2020 Maturity Date 6/30/2030      
Initial Acquisition Date   Jun. 30, 2020  
Maturity Date   Jun. 30, 2030  
Principal/ Shares   11,273  
Investment cost   $ 218,000  
Investment Owned, at Fair Value   $ 920,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Human Resource & Employment Services CloudPay, Inc. Series D Preferred Stock Initial Acquisition Date 8/17/2021 Maturity Date 8/17/2031      
Initial Acquisition Date   Aug. 17, 2021  
Maturity Date   Aug. 17, 2031  
Principal/ Shares   6,129  
Investment cost   $ 160,000  
Investment Owned, at Fair Value   $ 170,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Human Resource & Employment Services Snagajob.com, Inc. Investment Type Warrants Warrant for Series B-1 Preferred Stock Initial Acquisition Date 9/29/2021 Maturity Date 9/29/2031      
Initial Acquisition Date Sep. 29, 2021    
Maturity Date Sep. 29, 2031    
Principal/ Shares 763,269    
Investment cost $ 343,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Human Resource & Employment Services Snagajob.com, Inc. Series B-1 Preferred Stock Initial Acquisition Date 9/29/2021 Maturity Date 9/29/2031      
Initial Acquisition Date   Sep. 29, 2021  
Maturity Date   Sep. 29, 2031  
Principal/ Shares   763,269  
Investment cost   $ 343,000  
Investment Owned, at Fair Value   220,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet & Direct Marketing Retail      
Investment cost 143,000 132,000  
Investment Owned, at Fair Value $ 154,000 $ 133,000  
Percentage of Net Assets 0.03% 0.02%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet & Direct Marketing Retail Madison Reed, Inc. Investment Type Warrants Success fee Initial Acquisition Date 12/16/2022      
Initial Acquisition Date Dec. 16, 2022    
Investment cost $ 143,000    
Investment Owned, at Fair Value 154,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet & Direct Marketing Retail Madison Reed, Inc. Success fee Initial Acquisition Date 12/16/2022      
Initial Acquisition Date   Dec. 16, 2022  
Investment cost   $ 132,000  
Investment Owned, at Fair Value   133,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services      
Investment cost 1,313,000 1,193,000  
Investment Owned, at Fair Value $ 1,642,000 $ 3,245,000  
Percentage of Net Assets 0.30% 0.56%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Bombora, Inc. Common Stock Initial Acquisition Date 3/31/2021 Maturity Date 3/31/2031      
Initial Acquisition Date   Mar. 31, 2021  
Maturity Date   Mar. 31, 2031  
Principal/ Shares   121,581  
Investment cost   $ 175,000  
Investment Owned, at Fair Value   $ 248,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Bombora, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 12/26/2023 Maturity Date 12/26/2033      
Initial Acquisition Date Dec. 26, 2023    
Maturity Date Dec. 26, 2033    
Principal/ Shares 48,632    
Investment cost $ 43,000    
Investment Owned, at Fair Value $ 41,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Bombora, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 3/31/2021 Maturity Date 3/31/2031      
Initial Acquisition Date Mar. 31, 2021    
Maturity Date Mar. 31, 2031    
Principal/ Shares 121,581    
Investment cost $ 174,000    
Investment Owned, at Fair Value $ 104,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Fidelis Cybersecurity, Inc. Common Stock Initial Acquisition Date 3/25/2022 Maturity Date 3/25/2032      
Initial Acquisition Date   Mar. 25, 2022  
Maturity Date   Mar. 25, 2032  
Investment cost   $ 79,000  
Investment Owned, at Fair Value   $ 100,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Fidelis Cybersecurity, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 3/25/2022 Maturity Date 3/25/2032      
Initial Acquisition Date Mar. 25, 2022    
Maturity Date Mar. 25, 2032    
Investment cost $ 79,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services INRIX, Inc. Common Stock Initial Acquisition Date 7/26/2019 Maturity Date 7/26/2029      
Initial Acquisition Date   Jul. 26, 2019  
Maturity Date   Jul. 26, 2029  
Principal/ Shares   150,804  
Investment cost   $ 522,000  
Investment Owned, at Fair Value   $ 2,198,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services INRIX, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 7/26/2019 Maturity Date 7/26/2029      
Initial Acquisition Date Jul. 26, 2019    
Maturity Date Jul. 26, 2029    
Principal/ Shares 150,804    
Investment cost $ 522,000    
Investment Owned, at Fair Value $ 735,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Longtail Ad Solutions, Inc. (dba JW Player) Common Stock Initial Acquisition Date 12/12/2019 Maturity Date 12/12/2029      
Initial Acquisition Date   Dec. 12, 2019  
Maturity Date   Dec. 12, 2029  
Principal/ Shares   387,596  
Investment cost   $ 47,000  
Investment Owned, at Fair Value   $ 345,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Longtail Ad Solutions, Inc. (dba JW Player) Investment Type Warrants Common Stock Initial Acquisition Date 12/12/2019 Maturity Date 12/12/2029      
Initial Acquisition Date Dec. 12, 2019    
Maturity Date Dec. 12, 2029    
Principal/ Shares 387,596    
Investment cost $ 47,000    
Investment Owned, at Fair Value $ 321,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Skillshare, Inc. Investment Type Warrants Success Fee Initial Acquisition Date 11/8/2022 Maturity Date 11/8/2026      
Initial Acquisition Date Nov. 08, 2022    
Maturity Date Nov. 08, 2026    
Investment cost $ 301,000    
Investment Owned, at Fair Value $ 294,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Skillshare, Inc. Success fee Initial Acquisition Date 11/8/2022 Maturity Date 11/8/2026      
Initial Acquisition Date   Nov. 08, 2022  
Maturity Date   Nov. 08, 2026  
Investment cost   $ 243,000  
Investment Owned, at Fair Value   $ 225,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Synack, Inc. Common Stock Initial Acquisition Date 6/30/2022 Maturity Date 6/30/2032      
Initial Acquisition Date   Jun. 30, 2022  
Maturity Date   Jun. 30, 2032  
Principal/ Shares   100,645  
Investment cost   $ 127,000  
Investment Owned, at Fair Value   129,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Internet Software and Services Synack, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 12/29/2023 Maturity Date 6/30/2032      
Initial Acquisition Date Dec. 29, 2023    
Maturity Date Jun. 30, 2032    
Principal/ Shares 116,908    
Investment cost $ 147,000    
Investment Owned, at Fair Value 147,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Property & Casualty Insurance      
Investment cost 426,000 302,000  
Investment Owned, at Fair Value $ 438,000 $ 297,000  
Percentage of Net Assets 0.08% 0.05%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Property & Casualty Insurance Kin Insurance, Inc. Investment Type Warrants Series D-3 Preferred Stock Initial Acquisition Date 5/5/2023 Maturity Date 9/26/2032      
Initial Acquisition Date May 05, 2023    
Maturity Date Sep. 26, 2032    
Principal/ Shares 11,549    
Investment cost $ 69,000    
Investment Owned, at Fair Value $ 81,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Property & Casualty Insurance Kin Insurance, Inc. Investment Type Warrants Series D-3 Preferred Stock Initial Acquisition Date 8/25/2023 Maturity Date 9/26/2032      
Initial Acquisition Date Aug. 25, 2023    
Maturity Date Sep. 26, 2032    
Principal/ Shares 9,239    
Investment cost $ 55,000    
Investment Owned, at Fair Value $ 65,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Property & Casualty Insurance Kin Insurance, Inc. Investment Type Warrants Series D-3 Preferred Stock Initial Acquisition Date 9/26/2022 Maturity Date 9/26/2032      
Initial Acquisition Date Sep. 26, 2022    
Maturity Date Sep. 26, 2032    
Principal/ Shares 41,576    
Investment cost $ 302,000    
Investment Owned, at Fair Value 292,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Property & Casualty Insurance Kin Insurance, Inc. Series D-3 Preferred Stock Initial Acquisition Date 9/26/2022 Maturity Date 9/26/2032      
Initial Acquisition Date   Sep. 26, 2022  
Maturity Date   Sep. 26, 2032  
Principal/ Shares   41,576  
Investment cost   $ 302,000  
Investment Owned, at Fair Value   297,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Specialized Consumer Services      
Investment cost 2,175,000 2,175,000  
Investment Owned, at Fair Value $ 373,000 $ 796,000  
Percentage of Net Assets 0.07% 0.14%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Specialized Consumer Services AllClear ID, Inc. Common Stock Initial Acquisition Date 9/1/2017 Maturity Date 9/1/2027      
Initial Acquisition Date   Sep. 01, 2017  
Maturity Date   Sep. 01, 2027  
Principal/ Shares   870,514  
Investment cost   $ 1,750,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Specialized Consumer Services AllClear ID, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 10/17/2018 Maturity Date 8/31/2027      
Initial Acquisition Date Oct. 17, 2018    
Maturity Date Aug. 31, 2027    
Principal/ Shares 346,621    
Investment cost $ 697,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Specialized Consumer Services AllClear ID, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 8/31/2017 Maturity Date 8/31/2027      
Initial Acquisition Date Aug. 31, 2017    
Maturity Date Aug. 31, 2027    
Principal/ Shares 523,893    
Investment cost $ 1,053,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Specialized Consumer Services Credit Sesame, Inc. Common Stock Initial Acquisition Date 1/7/2020 Maturity Date 1/7/2030      
Initial Acquisition Date   Jan. 07, 2020  
Maturity Date   Jan. 07, 2030  
Principal/ Shares   191,601  
Investment cost   $ 425,000  
Investment Owned, at Fair Value   796,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Specialized Consumer Services Credit Sesame, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 1/7/2020 Maturity Date 1/7/2030      
Initial Acquisition Date Jan. 07, 2020    
Maturity Date Jan. 07, 2030    
Principal/ Shares 191,601    
Investment cost $ 425,000    
Investment Owned, at Fair Value 373,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants System Software      
Investment cost 791,000 538,000  
Investment Owned, at Fair Value $ 562,000 $ 191,000  
Percentage of Net Assets 0.10% 0.03%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants System Software Dejero Labs Inc. Common Stock Initial Acquisition Date 5/31/2019 Maturity Date 5/31/2029      
Initial Acquisition Date   May 31, 2019  
Maturity Date   May 31, 2029  
Principal/ Shares   333,621  
Investment cost   $ 192,000  
Investment Owned, at Fair Value   $ 191,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants System Software Dejero Labs Inc. Investment Type Warrants Common Stock Initial Acquisition Date 5/31/2019 Maturity Date 5/31/2029      
Initial Acquisition Date May 31, 2019    
Maturity Date May 31, 2029    
Principal/ Shares 333,621    
Investment cost $ 192,000    
Investment Owned, at Fair Value $ 268,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants System Software Linxup, LLC Investment Type Warrants Success Fee Initial Acquisition Date 11/3/2023 Maturity Date 11/3/2033      
Initial Acquisition Date Nov. 03, 2023    
Maturity Date Nov. 03, 2033    
Investment cost $ 253,000    
Investment Owned, at Fair Value $ 294,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants System Software Scale Computing, Inc. Common Stock Initial Acquisition Date 3/29/2019 Maturity Date 3/29/2029      
Initial Acquisition Date   Mar. 29, 2019  
Maturity Date   Mar. 29, 2029  
Principal/ Shares   9,665,667  
Investment cost   $ 346,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants System Software Scale Computing, Inc. Investment Type Warrants Common Stock Initial Acquisition Date 3/29/2019 Maturity Date 3/29/2029      
Initial Acquisition Date Mar. 29, 2019    
Maturity Date Mar. 29, 2029    
Principal/ Shares 9,665,667    
Investment cost $ 346,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Technology Hardware, Storage & Peripherals      
Investment cost 542,000 542,000  
Investment Owned, at Fair Value $ 410,000 $ 567,000  
Percentage of Net Assets 0.07% 0.10%  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Technology Hardware, Storage & Peripherals RealWear, Inc. Investment Type Warrants Series A Preferred Stock Initial Acquisition Date 10/5/2018 Maturity Date 10/5/2028      
Initial Acquisition Date Oct. 05, 2018    
Maturity Date Oct. 05, 2028    
Principal/ Shares 112,451    
Investment cost $ 136,000    
Investment Owned, at Fair Value $ 178,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Technology Hardware, Storage & Peripherals RealWear, Inc. Investment Type Warrants Series A Preferred Stock Initial Acquisition Date 12/28/2018 Maturity Date 10/5/2028      
Initial Acquisition Date Dec. 28, 2018    
Maturity Date Oct. 05, 2028    
Principal/ Shares 22,491    
Investment cost $ 25,000    
Investment Owned, at Fair Value $ 36,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Technology Hardware, Storage & Peripherals RealWear, Inc. Investment Type Warrants Series A Preferred Stock Initial Acquisition Date 6/27/2019 Maturity Date 6/27/2029      
Initial Acquisition Date Jun. 27, 2019    
Maturity Date Jun. 27, 2029    
Principal/ Shares 123,894    
Investment cost $ 381,000    
Investment Owned, at Fair Value 196,000    
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Technology Hardware, Storage & Peripherals RealWear, Inc. Series A Preferred Stock Initial Acquisition Date 10/5/2018 Maturity Date 10/5/2028      
Initial Acquisition Date   Oct. 05, 2018  
Maturity Date   Oct. 05, 2028  
Principal/ Shares   112,451  
Investment cost   $ 136,000  
Investment Owned, at Fair Value   $ 246,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Technology Hardware, Storage & Peripherals RealWear, Inc. Series A Preferred Stock Initial Acquisition Date 12/28/2018 Maturity Date 12/28/2028      
Initial Acquisition Date   Dec. 28, 2018  
Maturity Date   Dec. 28, 2028  
Principal/ Shares   22,491  
Investment cost   $ 25,000  
Investment Owned, at Fair Value   $ 49,000  
Investment, Identifier [Axis]: Non-Control/Non-Affiliate Investments Warrants Technology Hardware, Storage & Peripherals RealWear, Inc. Series A Preferred Stock Initial Acquisition Date 6/27/2019 Maturity Date 6/27/2029      
Initial Acquisition Date   Jun. 27, 2019  
Maturity Date   Jun. 27, 2029  
Principal/ Shares   123,894  
Investment cost   $ 381,000  
Investment Owned, at Fair Value   $ 272,000  
Investment, Identifier [Axis]: Total Investments, Excluding U.S. Treasury Bills      
Investment cost 1,064,835,000    
Investment Owned, at Fair Value $ 1,025,010,000    
Percentage of Net Assets 187.36%    
Investment, Identifier [Axis]: Total U.S. Treasury      
Investment cost $ 42,014,000    
Investment Owned, at Fair Value $ 41,999,000    
Percentage of Net Assets 7.68%    
Investment, Identifier [Axis]: U.S. Treasury U.S. Treasury Bill, 4.324% Initial Acquisition Date 12/29/2023 Maturity Date 1/4/2024      
Initial Acquisition Date Dec. 29, 2023    
Maturity Date Jan. 04, 2024    
Principal Amount $ 42,029    
Investment cost 42,014,000    
Investment Owned, at Fair Value $ 41,999,000    
Investment interest percentage 4.324%    
[1] All investments in the portfolio companies, which as of December 31, 2023 represented 9.58% of the Company’s net assets, may be deemed to be restricted securities under the Securities Act, and were valued at fair value as determined in good faith by the Company’s Board of Directors.
[2] All investments in the portfolio company, which as of December 31, 2022 represented 1.97% of the Company’s net assets, may be deemed to be restricted securities under the Securities Act, and were valued at fair value as determined in good faith by the Company’s Board of Directors.