Note 5 - Transactions With Affiliated Companies (Tables)

6 Months Ended

Jun. 30, 2026

Notes Tables

Investments in and Advances to Affiliates [Table Text Block]

										Three months ended June 30, 2026
		*Fair value at*																*Transfers*								*Net*								*Fair value at*
Portfolio		*March 31,*								*Principal*								*in/(out) at*				*Discount*				*unrealized*				*Net realized*				*June 30,*				*Interest*
Company		*2026*				*Purchases*				*payments*				*PIK*				*fair value*				*accretion*				*gain/(loss)*				*gain/(loss)*				*2026*				*income*
		(In thousands)
Aulea Medical, Inc.		$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—
Evelo Biosciences, Inc.			1,486				—				—				—				—				—				—				—				1,486				—
Hound Labs II LLC			11,573				—				—				228				—				—				(1,241	)			—				10,560				228
Nexii, Inc.			—				3				—				—				—				—				(3	)			—				—				28
NextCar Holding Company, Inc.			1,005				—				(151	)			—				—				—				82				—				936				34
Shengrow Inc.			50,138				—				—				212				—				109				(38,233	)			—				12,226				21
Total non-controlled affiliates		$	64,202			$	3			$	(151	)		$	440			$	—			$	109			$	(39,395	)		$	—			$	25,208			$	311

										Three months ended June 30, 2025

		*Fair value at*																*Transfers*								*Net*								*Fair value at*
Portfolio		*March 31,*								*Principal*								*in/(out) at*				*Discount*				*unrealized*				*Net realized*				*June 30,*				*Interest*
Company		*2025*				*Purchases*				*payments*				*PIK*				*fair value*				*accretion*				*gain/(loss)*				*gain/(loss)*				*2025*				*income*
		(In thousands)
Aulea Medical, Inc.		$	—			$	—			$	—			$	—			$	—			$	—			$	—							$	—			$	—
Evelo Biosciences, Inc.			8,307				—				—				—				—				—				(1,600	)			—				6,707				—
Total non-controlled affiliates		$	8,307			$	—			$	—			$	—			$	—			$	—			$	(1,600	)		$	—			$	6,707			$	—

										*Six months ended June 30, 2026*
		*Fair value at*																*Transfers*								*Net*								*Fair value at*
Portfolio		*December 31,*																*in/(out) at*				*Discount*				*unrealized*				*Net realized*				*June 30,*				*Interest*
Company		*2025*				*Purchases*				*Sales*				*PIK*				*fair value*				*accretion*				*gain/(loss)*				*gain/(loss)*				*2026*				*income*
		(In thousands)
Aulea Medical, Inc.		$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—
Evelo Biosciences, Inc.			1,486				—				—				—				—				—				—				—				1,486				—
Hound Labs II LLC			11,369				—				—				447				—				—				(1,256	)			—				10,560				447
Nexii, Inc.			—				7				—				—				—				—				(7	)			—				—				55
NextCar Holding Company, Inc.			1,079				—				(394	)			—				—				—				251				—				936				89
Shengrow Inc.			49,210				—				—				834				—				415				(38,233	)			—				12,226				1,293
Total non-controlled affiliates		$	63,144			$	7			$	(394	)		$	1,281			$	—			$	415			$	(39,245	)		$	—			$	25,208			$	1,884

										*Six months ended June 30, 2025*

		*Fair value at*																*Transfers*								*Net*								*Fair value at*
Portfolio		*December 31,*								*Principal*								*in/(out) at*				*Discount*				*unrealized*				*Net realized*				*June 30,*				*Interest*
Company		*2024*				*Purchases*				*payments*				*PIK*				*fair value*				*accretion*				*gain/(loss)*				*gain/(loss)*				*2025*				*income*
		(In thousands)
Aulea Medical, Inc.		$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—			$	—
Evelo Biosciences, Inc.			8,307				2				—				—				—				—				(1,602	)			—				6,707				—
Total non-controlled affiliates		$	8,307			$	2			$	—			$	—			$	—			$	—			$	(1,602	)		$	—			$	6,707			$	—

										Three months ended June 30, 2026

		*Fair value at*																*Transfers*								*Net*								*Fair value at*
Portfolio		*March 31,*								*Principal*								*in/(out) at*				*Discount*				*unrealized*				*Net realized*				*June 30,*				*Interest*
Company		*2026*				*Purchases*				*payments*				*PIK*				*fair value*				*accretion*				*gain/(loss)*				*gain/(loss)*				*2026*				*income*
		(In thousands)
RoHo Capital Opportunity Fund LLC⁽¹⁾		$	—			$	215							$	—			$	—			$	—											$	215			$	—
Total controlled affiliates		$	—			$	215			$	—			$	—			$	—			$	—			$	—			$	—			$	215			$	—

										Three months ended June 30, 2025

		*Fair value at*																*Transfers*								*Net*								*Fair value at*				*Interest*
Portfolio		*March 31,*								*Principal*								*in/(out) at*				*Discount*				*unrealized*				*Net realized*				*June 30,*				*income*
Company		*2025*				*Purchases*				*payments*				*PIK*				*fair value*				*accretion*				*gain/(loss)*				*gain/(loss)*				*2025*				*(reversal)*
		(In thousands)
Better Place Forests Co.		$	879			$	1,107			$	—			$	—			$	—			$	—			$	(1,107	)		$	—			$	879			$	—
HIMV LLC			5,290				—				—				—				—				—				(4,425	)			—				865				—
Nexii, Inc.			8,700				11				—				—				—				—				—				—				8,711				20
Swift Health Systems, Inc.			—				137				—				—				—				—				(137	)			—				—				—
Total controlled affiliates		$	14,869			$	1,255			$	—			$	—			$	—			$	—			$	(5,669	)		$	—			$	10,455			$	20

										Six months ended June 30, 2026

		*Fair value at*																*Transfers*								*Net*								*Fair value at*
Portfolio		*December 31,*								*Principal*								*in/(out) at*				*Discount*				*unrealized*				*Net realized*				*June 30,*				*Interest*
Company		*2025*				*Purchases*				*payments*				*PIK*				*fair value*				*accretion*				*gain/(loss)*				*gain/(loss)*				*2026*				*income (reversal)*
		(In thousands)
RoHo Capital Opportunity Fund LLC⁽¹⁾		$	—			$	215							$	—			$	—			$	—											$	215			$	—
Total controlled affiliates		$	—			$	215			$	—			$	—			$	—			$	—			$	—			$	—			$	215			$	—

										Six months ended June 30, 2025

		*Fair value at*																*Transfers*								*Net*								*Fair value at*
Portfolio		*December 31,*								*Principal*								*in/(out) at*				*Discount*				*unrealized*				*Net realized*				*June 30,*				*Interest*
Company		*2024*				*Purchases*				*payments*				*PIK*				*fair value*				*accretion*				*gain/(loss)*				*gain/(loss)*				*2025*				*income*
		(In thousands)
Better Place Forests Co.		$	—			$	2,048			$	—			$	—			$	—							$	(1,169	)		$	—			$	879			$	—
HIMV LLC			6,230				—				—				—				—				—				(5,365	)			—				865				—
Nexii, Inc.			8,547				11				—				—				—				—				153				—				8,711				40
Swift Health Systems, Inc.			17,042				2,146				—				208				—				9				(19,405	)			—				—				(81	)
Total controlled affiliates		$	31,819			$	4,205			$	—			$	208			$	—			$	9			$	(25,786	)		$	—			$	10,455			$	(41	)