Refers to number of investors.

No definition available.

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- Definition

The number of shares sold by third parities during the period reported.

+ References

No definition available.

+ Details

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- Definition

The cash inflow associated with the sale of equity securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26853-111562

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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Sales of BioTime Common Shares by Subsidiaries (Details) - Jun. 30, 2014 $ in Millions	shares	Investor shares	USD ($) Investor shares
Related Party Transaction [Line Items]
Number of shares sold (in shares)	5,000,000
Asterias Biotherapeutics [Member] \| BioTime Common Stock [Member]
Related Party Transaction [Line Items]
Number of shares sold (in shares)			5,000,000
Number of investors \| Investor		2	2
Proceeds from sale of BioTime stock \| $			$ 12.5
Asterias Biotherapeutics [Member] \| Asterias Series B Common Stock [Member]
Related Party Transaction [Line Items]
Number of shares purchased (in shares)	5,000,000	5,000,000	5,000,000