Note 2 - Ownership Interests and Advances (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	June 30, 2023		December 31, 2022
	(Unaudited - In thousands)
Equity Method:
Companies	$	10,331	$	8,749
Private equity funds		97		97
		10,428		8,846
Other Method:
Companies, fair value		-		860
Companies, fair value measurement alternative		894		1,067
Private equity funds, fair value measurement alternative		250		250
		1,144		2,177
Advances to companies		1,400		4,382
	$	12,972	$	15,405

Schedule of Other Ownership Interests [Table Text Block]

Company Name	Safeguard Primary Ownership as of June 30, 2023	Accounting Method
Clutch Holdings, Inc.	41.7%	Equity
InfoBionic, Inc.	25.2%	Equity
meQuilibrium	31.3%	Equity
Moxe Health Corporation	19.3%	Equity
Prognos Health Inc.	19.4%	Equity
Syapse, Inc.	11.0%	Equity
Trice Medical, Inc.	11.6%	Equity

Equity Method Investments [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2023			2022			2023			2022
	(Unaudited - In thousands)
Results of Operations:
Revenue	$	29,419		$	36,479		$	70,397		$	75,290
Gross profit	$	21,442		$	22,653		$	48,605		$	47,573
Net loss	$	(23,834	)	$	(34,325	)	$	(49,328	)	$	(65,187	)