Annual report [Section 13 and 15(d), not S-K Item 405]

CONSOLIDATED SCHEDULE OF INVESTMENTS

v3.25.1
CONSOLIDATED SCHEDULE OF INVESTMENTS - USD ($)
$ in Thousands
Mar. 31, 2025
Mar. 31, 2024
Schedule of Investments [Line Items]    
Cost $ 939,066 [1] $ 854,290 [2]
Fair Value 979,320 [1] 920,504 [2]
Aerospace and Defense    
Schedule of Investments [Line Items]    
Fair Value 107,869 29,064
Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Fair Value 170,360 264,535
Electronics    
Schedule of Investments [Line Items]    
Fair Value 71,573 0
Home and Office Furnishings, Housewares, and Durable Consumer Products    
Schedule of Investments [Line Items]    
Fair Value 159,236 160,038
Leisure, Amusement, Motion Pictures, and Entertainment    
Schedule of Investments [Line Items]    
Fair Value 78,460 39,350
Hotels, Motels, Inns, and Gaming    
Schedule of Investments [Line Items]    
Fair Value 0 77,366
Oil and Gas    
Schedule of Investments [Line Items]    
Fair Value 69,589 51,171
Printing and Publishing    
Schedule of Investments [Line Items]    
Fair Value 11,681 14,238
Secured First Lien Debt    
Schedule of Investments [Line Items]    
Cost 584,026 513,425
Fair Value 514,334 474,856
Secured Second Lien Debt    
Schedule of Investments [Line Items]    
Cost 103,956 144,958
Fair Value 103,580 138,703
Preferred Equity    
Schedule of Investments [Line Items]    
Cost 201,487 145,070
Fair Value 302,163 213,480
Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 49,597 50,837
Fair Value 59,243 93,465
Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 562,371 [3] 544,799 [4]
Fair Value 648,589 [3] 622,233 [4]
Non-Control/Non-Affiliate investments | Secured First Lien Debt    
Schedule of Investments [Line Items]    
Cost 331,536 [3] 324,731 [4]
Fair Value 300,751 [3] 324,348 [4]
Non-Control/Non-Affiliate investments | Secured First Lien Debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 6,150 [3] 5,950 [4]
Fair Value 6,150 [3] 5,567 [4]
Non-Control/Non-Affiliate investments | Secured First Lien Debt | Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Cost 82,950 [3] 82,950 [4]
Fair Value 54,884 [3] 82,950 [4]
Non-Control/Non-Affiliate investments | Secured First Lien Debt | Home and Office Furnishings, Housewares, and Durable Consumer Products    
Schedule of Investments [Line Items]    
Cost 36,750 [3] 36,750 [4]
Fair Value 36,750 [3] 36,750 [4]
Non-Control/Non-Affiliate investments | Secured First Lien Debt | Hotels, Motels, Inns, and Gaming    
Schedule of Investments [Line Items]    
Cost [4]   65,100
Fair Value [4]   65,100
Non-Control/Non-Affiliate investments | Secured First Lien Debt | Oil and Gas    
Schedule of Investments [Line Items]    
Cost [4]   34,750
Fair Value [4]   34,750
Non-Control/Non-Affiliate investments | Secured First Lien Debt | Printing and Publishing    
Schedule of Investments [Line Items]    
Cost 14,400 [3] 13,000 [4]
Fair Value 11,681 [3] 13,000 [4]
Non-Control/Non-Affiliate investments | Secured Second Lien Debt    
Schedule of Investments [Line Items]    
Cost 93,340 [3] 93,340 [4]
Fair Value 92,964 [3] 93,340 [4]
Non-Control/Non-Affiliate investments | Secured Second Lien Debt | Aerospace and Defense    
Schedule of Investments [Line Items]    
Cost 25,696 [3] 25,696 [4]
Fair Value 25,696 [3] 25,696 [4]
Non-Control/Non-Affiliate investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 92,898 [3] 82,110 [4]
Fair Value 200,606 [3] 162,522 [4]
Non-Control/Non-Affiliate investments | Preferred Equity | Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Cost 11,206 [3] 11,206 [4]
Fair Value 13,262 [3] 19,759 [4]
Non-Control/Non-Affiliate investments | Preferred Equity | Home and Office Furnishings, Housewares, and Durable Consumer Products    
Schedule of Investments [Line Items]    
Cost 16,236 [3] 16,236 [4]
Fair Value 60,947 [3] 49,650 [4]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 44,597 [3] 44,618 [4]
Fair Value 54,268 [3] 42,023 [4]
Affiliate investments    
Schedule of Investments [Line Items]    
Cost 359,286 [5] 292,082 [6]
Fair Value 330,388 [5] 295,366 [6]
Affiliate investments | Secured First Lien Debt    
Schedule of Investments [Line Items]    
Cost 243,280 [5] 179,484 [6]
Fair Value 213,240 [5] 147,603 [6]
Affiliate investments | Secured First Lien Debt | Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Cost 100,498 [5] 100,498 [6]
Fair Value 80,883 [5] 77,351 [6]
Affiliate investments | Secured First Lien Debt | Electronics    
Schedule of Investments [Line Items]    
Cost [5] 49,152  
Fair Value [5] 49,152  
Affiliate investments | Secured First Lien Debt | Leisure, Amusement, Motion Pictures, and Entertainment    
Schedule of Investments [Line Items]    
Cost [5] 22,620  
Fair Value [5] 22,620  
Affiliate investments | Secured First Lien Debt | Telecommunications    
Schedule of Investments [Line Items]    
Cost 18,010 [5] 17,736 [6]
Fair Value 7,585 [5] 9,002 [6]
Affiliate investments | Secured Second Lien Debt    
Schedule of Investments [Line Items]    
Cost 10,616 [5] 51,618 [6]
Fair Value 10,616 [5] 45,363 [6]
Affiliate investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 100,390 [5] 54,761 [6]
Fair Value 101,557 [5] 50,958 [6]
Affiliate investments | Preferred Equity | Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Cost 24,309 [5] 24,309 [6]
Fair Value 21,331 [5] 8,033 [6]
Affiliate investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 5,000 [5] 6,219 [6]
Fair Value 4,975 [5] 51,442 [6]
Control investments    
Schedule of Investments [Line Items]    
Cost 17,409 [7] 17,409 [8]
Fair Value 343 [7] 2,905 [8]
Control investments | Secured First Lien Debt    
Schedule of Investments [Line Items]    
Cost 9,210 [7] 9,210 [8]
Fair Value 343 [7] 2,905 [8]
Control investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 8,199 [7] 8,199 [8]
Fair Value $ 0 [7] $ 0 [8]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Common Stock Warrants    
Schedule of Investments [Line Items]    
Units 3.50% [9],[10],[11],[12],[13] 3.50% [14],[15],[16],[17],[18]
Cost $ 0 [9],[11],[13] $ 0 [14],[16],[18]
Fair Value 0 [9],[11],[13] 0 [14],[16],[18]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [14],[15],[17],[18]   3,080
Cost [14],[18]   3,080
Fair Value [14],[18]   3,080
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit 1    
Schedule of Investments [Line Items]    
Principal amount [9],[10],[12],[13],[19] 3,080  
Cost [9],[13],[19] 3,080  
Fair Value [9],[13],[19] 3,080  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit 2    
Schedule of Investments [Line Items]    
Principal amount 930 [9],[10],[12],[13],[19] 656 [14],[15],[17],[18]
Cost 930 [9],[13],[19] 656 [14],[18]
Fair Value $ 930 [9],[13],[19] 656 [14],[18]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [9],[10],[11],[12],[13] 14,304  
Cost [9],[11],[13] $ 4,722  
Fair Value [9],[11],[13] 0  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [14],[15],[17],[18]   14,000
Cost [14],[18]   14,000
Fair Value [14],[18]   $ 5,266
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [9],[10],[12],[13],[19] 14,000  
Cost [9],[13],[19] 14,000  
Fair Value [9],[13],[19] $ 3,575  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.– Preferred Stock    
Schedule of Investments [Line Items]    
Shares [14],[15],[16],[17],[18]   14,304
Cost [14],[16],[18]   $ 4,722
Fair Value [14],[16],[18]   $ 0
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,653 [10],[11],[12],[13] 6,653 [15],[16],[17],[18]
Cost $ 6,653 [11],[13] $ 6,653 [16],[18]
Fair Value 51,877 [11],[13] 48,759 [16],[18]
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 17,700 [10],[12],[13] 17,700 [15],[17],[18]
Cost 17,700 [13] 17,700 [18]
Fair Value 17,700 [13] 17,700 [18]
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 6,850 [10],[12],[13] 6,850 [15],[17],[18]
Cost 6,850 [13] 6,850 [18]
Fair Value $ 6,850 [13] $ 6,850 [18]
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc. - Preferred Equity    
Schedule of Investments [Line Items]    
Shares [10],[11],[12],[13] 21,000  
Cost [11],[13] $ 21,000  
Fair Value [11],[13] 31,070  
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc. – Preferred Equity    
Schedule of Investments [Line Items]    
Shares [15],[16],[17],[18]   21,000
Cost [16],[18]   $ 21,000
Fair Value [16],[18]   22,181
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 38,250 [10],[12],[13] 38,250 [15],[17],[18]
Cost 38,250 [13] 38,250 [18]
Fair Value $ 38,250 [13] $ 38,250 [18]
Investment, Identifier [Axis]: Diligent Delivery Systems – Common Stock Warrants    
Schedule of Investments [Line Items]    
Units 8.00% [10],[11],[12],[13] 8.00% [15],[16],[17],[20]
Cost $ 500 [11],[13] $ 500 [16],[20]
Fair Value 0 [11],[13] 500 [16],[20]
Investment, Identifier [Axis]: Diligent Delivery Systems – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 13,000 [10],[12],[19],[21] 13,000 [15],[17],[20]
Cost 13,000 [19],[21] 13,000 [20]
Fair Value $ 12,624 [19],[21] $ 13,000 [20]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 8,199 [9],[10],[11],[12],[13] 8,199 [14],[15],[16],[17],[18]
Cost $ 8,199 [9],[11],[13] $ 8,199 [14],[16],[18]
Fair Value 0 [9],[11],[13] 0 [14],[16],[18]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[10],[12],[13],[19] 9,210  
Cost [9],[13],[19] 9,210  
Fair Value [9],[13],[19] $ 343  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [14],[15],[17],[18],[22]   9,210
Cost [14],[18],[22]   9,210
Fair Value [14],[18],[22]   $ 2,905
Investment, Identifier [Axis]: Educators Resource, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 8,560 [10],[11],[12],[13] 8,560 [15],[16],[17],[18]
Cost $ 8,560 [11],[13] $ 8,560 [16],[18]
Fair Value 21,501 [11],[13] 29,638 [16],[18]
Investment, Identifier [Axis]: Educators Resource, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 30,000 [10],[12],[13] 20,000 [15],[17],[18]
Cost 30,000 [13] 20,000 [18]
Fair Value $ 30,000 [13] $ 20,000 [18]
Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC – Common Units    
Schedule of Investments [Line Items]    
Shares [14],[15],[16],[17],[23]   4,239
Cost [14],[16],[23]   $ 21
Fair Value [14],[16],[23]   $ 18
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 16,957 [10],[11],[12],[13] 16,957 [15],[16],[17],[18]
Cost $ 11,513 [11],[13] $ 11,513 [16],[18]
Fair Value 3,480 [11],[13] 3,368 [16],[18]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 6,900 [10],[12],[13] 6,900 [15],[17],[18]
Cost 6,900 [13] 6,900 [18]
Fair Value 6,900 [13] 6,900 [18]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 18,796 [10],[12],[13] 18,796 [15],[17],[18]
Cost 18,796 [13] 18,796 [18]
Fair Value $ 18,796 [13] $ 18,796 [18]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 63,747 [10],[11],[12],[13] 63,747 [15],[16],[17],[18]
Cost $ 8 [11],[13] $ 8 [16],[18]
Fair Value $ 0 [11],[13] $ 0 [16],[18]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 19,280 [10],[11],[12],[13] 19,280 [15],[16],[17],[18]
Cost $ 9,583 [11],[13] $ 9,583 [16],[18]
Fair Value 9,070 [11],[13] 891 [16],[18]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 12,200 [10],[12],[13] 12,200 [15],[17],[18]
Cost 12,200 [13] 12,200 [18]
Fair Value 12,200 [13] 12,200 [18]
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 2,000 [10],[12],[13] 1,000 [15],[17],[18]
Cost 2,000 [13] 1,000 [18]
Fair Value 2,000 [13] $ 1,000 [18]
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. – Line of Credit Two    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13] 400  
Cost [13] 400  
Fair Value [13] $ 400  
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 3,275,000 [10],[11],[12],[13] 3,275,000 [15],[16],[17],[18]
Cost $ 3,275 [11],[13] $ 3,275 [16],[18]
Fair Value 0 [11],[13] 1,238 [16],[18]
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 12,000 [10],[12],[13] 12,000 [15],[17],[18]
Cost 12,000 [13] 12,000 [18]
Fair Value $ 9,281 [13] $ 12,000 [18]
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 10,080 [10],[11],[12],[13] 10,080 [15],[16],[17],[18]
Cost $ 0 [11],[13] $ 0 [16],[18]
Fair Value 0 [11],[13] 0 [16],[18]
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 57,700 [10],[12],[13] 57,700 [15],[17],[18]
Cost 57,700 [13] 57,700 [18]
Fair Value $ 29,634 [13] $ 57,700 [18]
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 67,490 [10],[11],[12],[13] 67,490 [15],[16],[17],[18]
Cost $ 6,749 [11],[13] $ 6,749 [16],[18]
Fair Value 12,921 [11],[13] 2,607 [16],[18]
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   22,000
Cost [18]   22,000
Fair Value [18]   22,000
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13] 22,000  
Cost [13] 22,000  
Fair Value [13] 22,000  
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 16,500 [10],[12],[13],[19] 16,500 [15],[17],[18],[22]
Cost 16,500 [13],[19] 16,500 [18],[22]
Fair Value 10,019 [13],[19] 8,852 [18],[22]
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13],[19] 26,000  
Cost [13],[19] 26,000  
Fair Value [13],[19] 15,788  
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 3    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13],[19] 2,438  
Cost [13],[19] 2,438  
Fair Value [13],[19] 1,480  
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 5,000 [10],[12],[13],[19] 5,000 [15],[17],[18],[22]
Cost 5,000 [13],[19] 5,000 [18],[22]
Fair Value $ 3,036 [13],[19] 2,682 [18],[22]
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18],[22]   26,000
Cost [18],[22]   26,000
Fair Value [18],[22]   13,949
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt 3    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18],[22]   2,438
Cost [18],[22]   2,438
Fair Value [18],[22]   $ 1,308
Investment, Identifier [Axis]: J.R. Hobbs Co. – Atlanta, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 10,920 [10],[11],[12],[13] 10,920 [15],[16],[17],[18]
Cost $ 10,920 [11],[13] $ 10,920 [16],[18]
Fair Value $ 0 [11],[13] $ 0 [16],[18]
Investment, Identifier [Axis]: Mason West, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 11,206 [10],[11],[12],[13] 11,206 [15],[16],[17],[18]
Cost $ 11,206 [11],[13] $ 11,206 [16],[18]
Fair Value 13,262 [11],[13] 19,759 [16],[18]
Investment, Identifier [Axis]: Mason West, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 25,250 [10],[12],[13] 25,250 [15],[17],[18]
Cost 25,250 [13] 25,250 [18]
Fair Value 25,250 [13] 25,250 [18]
Investment, Identifier [Axis]: Nielsen-Kellerman Acquisition Corp. Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [9],[10],[12],[13] 1,070  
Cost [9],[13] 1,070  
Fair Value [9],[13] 1,070  
Investment, Identifier [Axis]: Nielsen-Kellerman Acquisition Corp. TL - Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[10],[12],[13] 48,082  
Cost [9],[13] 48,082  
Fair Value [9],[13] $ 48,082  
Investment, Identifier [Axis]: Nielsen-Kellerman Acquisition Corp. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [9],[10],[11],[12],[13] 22,169  
Cost [9],[11],[13] $ 22,169  
Fair Value [9],[11],[13] $ 22,421  
Investment, Identifier [Axis]: Nocturne Luxury Villas, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   4,000
Cost [18]   4,000
Fair Value [18]   $ 4,000
Investment, Identifier [Axis]: Nocturne Luxury Villas, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [15],[16],[17],[18]   6,600
Cost [16],[18]   $ 6,600
Fair Value [16],[18]   12,266
Investment, Identifier [Axis]: Nocturne Luxury Villas, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18],[24]   61,100
Cost [18],[24]   61,100
Fair Value [18],[24]   $ 61,100
Investment, Identifier [Axis]: Nth Degree Investment Group, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 500,000 [10],[11],[12],[25] 17,216,976 [15],[16],[17],[18]
Cost $ 5,000 [11],[25] $ 6,219 [16],[18]
Fair Value $ 4,975 [11],[25] 51,442 [16],[18]
Investment, Identifier [Axis]: Nth Degree Investment Group, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[26]   25,000
Cost [26]   25,000
Fair Value [26]   $ 25,000
Investment, Identifier [Axis]: Old World Christmas, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,180 [10],[11],[12],[13] 6,180 [15],[16],[17],[18]
Cost $ 0 [11],[13] $ 0 [16],[18]
Fair Value 23,539 [11],[13] 30,638 [16],[18]
Investment, Identifier [Axis]: Old World Christmas, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 38,000 [10],[12],[13] 43,000 [15],[17],[18]
Cost 38,000 [13] 43,000 [18]
Fair Value $ 38,000 [13] $ 43,000 [18]
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 322,598 [10],[11],[12],[13] 158,598 [15],[16],[17],[18]
Cost $ 36,130 [11],[13] $ 19,730 [16],[18]
Fair Value 996 [11],[13] 0 [16],[18]
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 10,616 [10],[12],[13] 26,618 [15],[17],[18]
Cost 10,616 [13] 26,618 [18]
Fair Value $ 10,616 [13] 20,363 [18]
Investment, Identifier [Axis]: Phoenix Door Systems, Inc – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   2,750
Cost [18]   2,750
Fair Value [18]   $ 2,750
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 4,221 [10],[11],[12],[13] 4,221 [15],[16],[17],[18]
Cost $ 1,830 [11],[13] $ 1,830 [16],[18]
Fair Value 0 [11],[13] 0 [16],[18]
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13] 2,950  
Cost [13] 2,950  
Fair Value [13] 2,950  
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 3,200 [10],[12],[13] 3,200 [15],[17],[18]
Cost 3,200 [13] 3,200 [18]
Fair Value 3,200 [13] $ 2,817 [18]
Investment, Identifier [Axis]: Pyrotek Special Effects, Inc. - Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13],[27] 2,500  
Cost [13],[27] 2,500  
Fair Value [13],[27] 2,500  
Investment, Identifier [Axis]: Pyrotek Special Effects, Inc. - Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13],[27] 20,120  
Cost [13],[27] 20,120  
Fair Value [13],[27] $ 20,120  
Investment, Identifier [Axis]: Pyrotek Special Effects, Inc.. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [10],[11],[12],[13],[27] 7,060,000  
Cost [11],[13],[27] $ 7,060  
Fair Value [11],[13],[27] $ 7,260  
Investment, Identifier [Axis]: Ricardo Defense, Inc. - Preferred Stock    
Schedule of Investments [Line Items]    
Shares [9],[10],[11],[12],[13] 17,388  
Cost [9],[11],[13] $ 17,388  
Fair Value [9],[11],[13] 17,388  
Investment, Identifier [Axis]: Ricardo Defense, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[10],[12],[13] 61,305  
Cost [9],[13] 61,305  
Fair Value [9],[13] $ 61,305  
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 18,721 [10],[11],[12],[13] 18,721 [15],[16],[17],[18]
Cost $ 30,746 [11],[13] $ 30,746 [16],[18]
Fair Value 50,788 [11],[13] 38,137 [16],[18]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13] 54,644  
Cost [13] 54,644  
Fair Value [13] $ 54,644  
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   54,644
Cost [18]   54,644
Fair Value [18]   $ 54,644
Investment, Identifier [Axis]: Schylling, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 4,000 [10],[11],[12],[13] 4,000 [15],[16],[17],[18]
Cost $ 4,000 [11],[13] $ 4,000 [16],[18]
Fair Value 20,599 [11],[13] 11,369 [16],[18]
Investment, Identifier [Axis]: Schylling, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 27,981 [10],[12],[13] 27,981 [15],[17],[18]
Cost 27,981 [13] 27,981 [18]
Fair Value $ 27,981 [13] 27,981 [18]
Investment, Identifier [Axis]: The E3 Company, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   1,000
Cost [18]   1,000
Fair Value [18]   $ 1,000
Investment, Identifier [Axis]: The E3 Company, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 11,233 [10],[11],[12],[13] 11,233,000 [15],[16],[17],[18]
Cost $ 11,233 [11],[13] $ 11,233 [16],[18]
Fair Value 35,839 [11],[13] 16,421 [16],[18]
Investment, Identifier [Axis]: The E3 Company, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13] 33,750  
Cost [13] 33,750  
Fair Value [13] $ 33,750  
Investment, Identifier [Axis]: The E3 Company, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   33,750
Cost [18]   33,750
Fair Value [18]   $ 33,750
Investment, Identifier [Axis]: The Maids International, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,640 [10],[11],[12],[13] 6,640 [15],[16],[17],[18]
Cost $ 6,640 [11],[13] $ 6,640 [16],[18]
Fair Value 8,410 [11],[13] 5,426 [16],[18]
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[12],[13] 28,560  
Cost [13] 28,560  
Fair Value [13] $ 28,560  
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   28,560
Cost [18]   28,560
Fair Value [18]   $ 28,560
Investment, Identifier [Axis]: UPB Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [10],[11],[12],[13] 6,000  
Cost [11],[13] $ 6,000  
Fair Value [11],[13] 26,010  
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd. - Preferred Stock    
Schedule of Investments [Line Items]    
Shares [15],[16],[17],[18]   6,000
Cost [16],[18]   $ 6,000
Fair Value [16],[18]   12,287
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd. - Term Debt    
Schedule of Investments [Line Items]    
Principal amount 15,000 [10],[12],[13] 18,250 [15],[17],[18]
Cost 15,000 [13] 18,250 [18]
Fair Value $ 15,000 [13] $ 18,250 [18]
[1] Cumulative gross unrealized appreciation for federal income tax purposes is $183.3 million; cumulative gross unrealized depreciation for federal income tax purposes is $144.9 million. Cumulative net unrealized appreciation is $38.5 million, based on a tax cost of $940.9 million.
[2] Cumulative gross unrealized appreciation for federal income tax purposes is $180.5 million; cumulative gross unrealized depreciation for federal income tax purposes is $115.8 million. Cumulative net unrealized appreciation is $64.7 million, based on a tax cost of $855.8 million.
[3] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[4] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[5] Affiliate investments, as defined by the 1940 Act, are those that are not Control investments and in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[6] Affiliate investments, as defined by the 1940 Act, are those that are not Control investments and in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[7] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[8] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[9] One or more of our affiliated funds, Gladstone Capital Corporation and Gladstone Alternative Income Fund, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[10] Represents the principal balance, presented in thousands, for debt investments and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[11] Security is non-income producing.
[12] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[13] Fair value was based on the total enterprise value of the portfolio company, which is generally allocated to the portfolio company’s securities in order of their relative priority in the capital structure. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[14] One of our affiliated funds, Gladstone Capital Corporation, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[15] Represents the principal balance, presented in thousands, for debt investments and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[16] Security is non-income producing.
[17] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[18] Fair value was based on the total enterprise value of the portfolio company, which is generally allocated to the portfolio company’s securities in order of their relative priority in the capital structure. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[19] Debt security is on non-accrual status.
[20] Fair value was based on the expected exit or payoff amount, where such event has occurred or is expected to occur imminently.
[21] Fair value was based on an internal yield analysis or on estimates of value submitted by a third-party valuation firm. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[22] Debt security is on non-accrual status.
[23] Our investment in Funko was valued using Level 2 inputs within the ASC 820 fair value hierarchy. Our common units in Funko are convertible into class A common stock in Funko, Inc. upon meeting certain requirements. Fair value was based on the closing market price of shares of Funko, Inc. as of the reporting date, less a discount for lack of marketability. Funko, Inc. is traded on the Nasdaq Global Select Market under the trading symbol “FNKO.” Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[24] Debt security is subject to an interest rate ceiling.
[25] Fair value was based on net asset value, provided by the underlying fund, as a practical expedient.
[26] Fair value was based on internal yield analysis or on estimates of value submitted by a third-party valuation firm. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[27] This portfolio company is headquartered in Ontario, Canada.