Operating Segments (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Active Partner Companies by Segment

The Company’s active partner companies as of December 31, 2018 were as follows for the years ended December 31, 2018, and 2017:

	Safeguard Primary Ownership as of December 31,
Partner Company	2018	2017	Accounting Method
Aktana, Inc.	18.9%	24.5%	Equity
Brickwork ***	20.3%	20.3%	Equity
Clutch Holdings, Inc.	41.2%	42.7%	Equity
Flashtalking, Inc.*	10.1%	N/A	Other
Hoopla Software, Inc.	25.5%	25.5%	Equity
InfoBionic, Inc.	25.4%	39.5%	Equity
Lumesis, Inc.	43.7%	43.8%	Equity
MediaMath, Inc. **	13.4%	20.5%	Other
meQuilibrium	33.1%	36.2%	Equity
Moxe Health Corporation	32.4%	32.4%	Equity
NovaSom, Inc.	31.7%	31.7%	Equity
Prognos Health Inc.	28.7%	28.7%	Equity
Propeller ***	19.5%	24.0%	Equity
QuanticMind, Inc.	24.2%	24.7%	Equity
Sonobi, Inc.	21.6%	21.6%	Equity
Syapse, Inc.	20.0%	20.1%	Equity
T-REX Group, Inc.	21.1%	21.1%	Equity
Transactis, Inc.	23.7%	23.8%	Equity
Trice Medical, Inc.	17.4%	24.8%	Equity
WebLinc, Inc.	38.5%	38.0%	Equity
Zipnosis, Inc	34.7%	25.4%	Equity