Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Active Partner Companies by Segment

The Company’s active partner companies were as follows as of March 31, 2017:

Partner Company	Safeguard Primary Ownership as of March 31, 2017	Accounting Method
AdvantEdge Healthcare Solutions, Inc.	40.1%	Equity
Aktana, Inc.	31.2%	Equity
Apprenda, Inc.	29.4%	Equity
Brickwork	20.3%	Equity
Cask Data, Inc.	31.3%	Equity
CloudMine, Inc.	47.3%	Equity
Clutch Holdings, Inc.	42.8%	Equity
Full Measure Education, Inc.	42.3%	Equity
Good Start Genetics, Inc.	29.6%	Equity
Hoopla Software, Inc.	25.5%	Equity
InfoBionic, Inc.	39.7%	Equity
Lumesis, Inc.	44.1%	Equity
MediaMath, Inc.	20.5%	Equity
meQuilibrium	31.5%	Equity
Moxe Health Corporation	32.4%	Equity
NovaSom, Inc.	31.7%	Equity
Pneuron Corporation	35.4%	Equity
Prognos	35.2%	Equity
Propeller Health, Inc.	24.0%	Equity
QuanticMind, Inc.	23.2%	Equity
Sonobi, Inc.	21.6%	Equity
Spongecell, Inc.	23.0%	Equity
Syapse, Inc.	26.2%	Equity
T-REX Group, Inc.	23.6%	Equity
Transactis, Inc.	24.0%	Equity
Trice Medical, Inc.	27.6%	Equity
WebLinc, Inc.	38.0%	Equity
Zipnosis, Inc.	25.4%	Equity