Note 2 - Ownership Interests and Advances (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	December 31, 2022		December 31, 2021
	(In thousands)
Equity Method:
Companies	$	8,749	$	21,091
Private equity funds		97		117
		8,846		21,208
Other Method:
Companies, fair value		860		4,549
Companies, fair value measurement alternative		1,067		514
Private equity funds, fair value measurement alternative		250		250
		2,177		5,313
Advances to companies		4,382		—
	$	15,405	$	26,521

Schedule of Other Ownership Interests [Table Text Block]

	Safeguard Primary Ownership as of December 31,
Company Name	2022			2021			Accounting Method
Aktana, Inc.		13.6	%		13.4	%	Equity
Clutch Holdings, Inc.		41.7	%		41.7	%	Equity
InfoBionic, Inc.		25.2	%		25.2	%	Equity
meQuilibrium		31.3	%		31.9	%	Equity
Moxe Health Corporation		19.3	%		27.6	%	Equity
Prognos Health Inc.		28.4	%		28.5	%	Equity
Syapse, Inc.		11.0	%		11.1	%	Equity
Trice Medical, Inc.		11.6	%		12.6	%	Equity

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

	As of December 31,
	2022			2021
	(In thousands)
Balance Sheets:
Current assets	$	126,042		$	127,651
Non-current assets		55,073			53,220
Total assets	$	181,115		$	180,871
Current liabilities	$	92,990		$	62,538
Non-current liabilities		220,681			158,975
Shareholders’ deficit		(132,556	)		(40,642	)
Total liabilities and shareholders’ deficit	$	181,115		$	180,871
Number of equity method ownership interests		8			9

Equity Method Investments [Table Text Block]

	Year Ended December 31,
	2022			2021
	(In thousands)
Results of Operations:
Revenue	$	144,771		$	140,670
Gross profit	$	88,666		$	90,388
Net loss	$	(152,936	)	$	(106,363	)