Note 9 - Investments (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

Investment [Table Text Block]

	Location in Balance Sheet	Measurement	June 30, 2025		December 31, 2024
			(in thousands)
Rafael Holdings, Inc.	Marketable equity securities	Quoted market price	$	600	$	357
Alternative investments—restricted (see Note 19)	Other current assets	Net asset value	$	6,705	$	5,057
Alternative investments—restricted (see Note 19)	Other current assets	Cost		600		600
Total included in other current assets			$	7,305	$	5,657
PRI Fuel Supply Ltd.	Other noncurrent assets	Equity method	$	57	$	454
CPP Genie Community Solar	Other noncurrent assets	Equity method		107		242
Alternative investments—restricted (see Note 19)	Other noncurrent assets	Net assets value		5,260		2,877
Alternative investments—restricted (see Note 19)	Other noncurrent assets	Cost		443		1,000
Alternative investments—unrestricted	Other noncurrent assets	Cost		1,030		1,100
Total equity investments included in other noncurrent assets			$	6,897	$	5,673

Equity Securities without Readily Determinable Fair Value [Table Text Block]

	Six Months Ended June 30,
	2025			2024
	(in thousands)
Balance, beginning of period	$	10,634		$	4,835
Purchase		3,500			3,025
Gain recognized during the period		806			365
Distribution		(902	)		(582	)
Balance, end of period	$	14,038		$	7,643