Note 2 - Ownership Interests and Advances (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block]

	December 31, 2023		December 31, 2022
	(In thousands)
Equity Method:
Companies	$	8,400	$	8,749
Private equity funds		97		97
		8,497		8,846
Other Method:
Companies, fair value		—		860
Companies, fair value measurement alternative		2,555		1,067
Private equity funds, fair value measurement alternative		250		250
		2,805		2,177
Advances to companies		389		4,382
	$	11,691	$	15,405

Schedule of Other Ownership Interests [Table Text Block]

	Safeguard Primary Ownership as of December 31,
Company Name	2023			2022			Accounting Method as of December 31, 2023
Clutch Holdings, Inc.		41.7	%		41.7	%	Equity
InfoBionic, Inc.		*			25.2	%	Other
MedCrypt, Inc.		*			*		Other
meQuilibrium		30.2	%		31.3	%	Equity
Moxe Health Corporation		19.3	%		19.3	%	Equity
Prognos Health Inc.		19.0	%		28.4	%	Equity

Equity Method Investment Partner Company Results Of Operation [Table Text Block]

	As of December 31,
	2023			2022
	(In thousands)
Balance Sheets:
Current assets	$	49,546		$	126,042
Non-current assets		9,892			55,073
Total assets	$	59,438		$	181,115
Current liabilities	$	32,461		$	92,990
Non-current liabilities		42,370			220,681
Shareholders’ deficit		(15,393	)		(132,556	)
Total liabilities and shareholders’ deficit	$	59,438		$	181,115
Number of equity method ownership interests		4			8

Equity Method Investments [Table Text Block]

	Year Ended December 31,
	2023			2022
	(In thousands)
Results of Operations:
Revenue	$	101,021		$	144,771
Gross profit	$	71,529		$	88,666
Net loss	$	(73,913	)	$	(152,936	)