Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2013
Related Party Transactions [Abstract]
Related Party Transactions	8. Related Party Transactions BioTime currently pays $5,050 per month for the use of approximately 900 square feet of office space in New York City, which is made available to BioTime on a month-by-month basis by one of its directors at his cost for use in conducting meetings and other business affairs. On January 29, 2013, in accordance with a November 1, 2012 Share Purchase Agreement between BioTime and Cell Cure Neurosciences, BioTime purchased 87,456 Cell Cure Neurosciences ordinary shares in exchange for 906,735 of BioTime common shares. On October 1, 2013, BioTime issued 8,902,077 common shares and warrants to purchase 8,000,000 common shares to Asterias pursuant to the Asset Contribution Agreement discussed in Note 15.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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