Note 2 - Ownership Interests and Advances (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

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

	September 30, 2022		December 31, 2021
	(Unaudited - In thousands)
Equity Method:
Companies	$	12,210	$	21,091
Private equity funds		117		117
		12,327		21,208
Other Method:
Companies, fair value		1,389		4,549
Companies, fair value measurement alternative		687		514
Private equity funds, fair value measurement alternative		250		250
		2,326		5,313
Advances to companies		4,606		—
	$	19,259	$	26,521

Schedule of Other Ownership Interests [Table Text Block]

Company Name	Safeguard Primary Ownership as of September 30, 2022	Accounting Method
Aktana, Inc.	13.6%	Equity
Clutch Holdings, Inc.	41.7%	Equity
InfoBionic, Inc.	25.2%	Equity
meQuilibrium	31.5%	Equity
Moxe Health Corporation	19.3%	Equity
Prognos Health Inc.	28.4%	Equity
Syapse, Inc.	11.0%	Equity
Trice Medical, Inc.	12.6%	Equity

Equity Method Investments [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2022			2021			2022			2021
	(Unaudited - In thousands)
Results of Operations:
Revenue	$	34,170		$	35,447		$	109,460		$	106,097
Gross profit	$	19,741		$	23,023		$	67,314		$	69,124
Net loss	$	(41,071	)	$	(25,390	)	$	(106,258	)	$	(77,092	)