Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Active Partner Companies by Segment

The Company’s active partner companies were as follows as of June 30, 2018:

Partner Company	Safeguard Primary Ownership as of June 30, 2018	Accounting Method
AdvantEdge Healthcare Solutions, Inc. 1	40.1%	Equity
Aktana, Inc.	24.5%	Equity
Brickwork	20.3%	Equity
CloudMine, Inc.	47.3%	Equity
Clutch Holdings, Inc.	41.2%	Equity
Flashtalking 2	10.3%	Other
Hoopla Software, Inc.	25.5%	Equity
InfoBionic, Inc.	39.5%	Equity
Lumesis, Inc.	43.8%	Equity
MediaMath, Inc. 3	20.5%	Equity
meQuilibrium	36.2%	Equity
Moxe Health Corporation	32.4%	Equity
NovaSom, Inc.	31.7%	Equity
Prognos (fka Medivo, Inc.)	28.7%	Equity
Propeller Health, Inc.	19.6%	Equity
QuanticMind, Inc.	24.7%	Equity
Sonobi, Inc.	21.6%	Equity
Syapse, Inc.	20.0%	Equity
T-REX Group, Inc.	21.1%	Equity
Transactis, Inc.	23.8%	Equity
Trice Medical, Inc.	24.8%	Equity
WebLinc, Inc.	38.0%	Equity
Zipnosis, Inc.	25.4%	Equity