Organization, Basis of Presentation and Liquidity (Tables)

3 Months Ended

Mar. 31, 2015

Organization, Basis of Presentation, and Liquidity [Abstract]

BioTime's ownership of outstanding shares of its subsidiaries

The following table reflects BioTime’s ownership, directly or through one or more subsidiaries, of the outstanding shares of its subsidiaries as of March 31, 2015.

Subsidiary	Field of Business	BioTime Ownership	Country
Asterias Biotherapeutics, Inc. (NYSE MKT: AST)	Research, development and commercialization of human therapeutic products from stem cells, focused initially in the fields of neurology and oncology	67.5%	USA
BioTime Asia, Limited	Stem cell products for research	81%	Hong Kong
Cell Cure Neurosciences Ltd.	Age-related macular degeneration	62.5%(1)	Israel
ES Cell International Pte Ltd	Stem cell products for research, including clinical grade cell lines produced under cGMP	100%	Singapore
LifeMap Sciences, Inc.	Biomedical, gene, disease, and stem cell databases and tools	75.8%	USA
LifeMap Sciences, Ltd.	Biomedical, gene, disease, and stem cell databases and tools	(2)	Israel
LifeMap Solutions, Inc.	Mobile health software	(2)	USA
OncoCyte Corporation	Cancer diagnostics	75.3%	USA
OrthoCyte Corporation	Orthopedic diseases, including chronic back pain and osteoarthritis	100%(3)	USA
ReCyte Therapeutics, Inc.	Vascular disorders, including cardiovascular-related diseases, ischemic conditions, vascular injuries Stem cell-derived endothelial and cardiovascular related progenitor cells that have applications in research, drug testing, and therapeutics	94.8%	USA

(1) Includes shares owned by BioTime, Asterias, and ESI.

(2) LifeMap Sciences, Ltd. and LifeMap Solutions, Inc. are wholly-owned subsidiaries of LifeMap Sciences, Inc.

(3) Includes shares owned by BioTime and Asterias.