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Major Customers, Partnerships and Strategic Alliances - California Institute for Regenerative Medicine - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended
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Mar. 31, 2014 | Oct. 31, 2009 California Institute for Regenerative Medicine [Member] | Mar. 31, 2014 California Institute for Regenerative Medicine [Member] | Mar. 31, 2013 California Institute for Regenerative Medicine [Member] | May 31, 2013 California Institute for Regenerative Medicine [Member] Beta-thalassemia [Member] | Mar. 31, 2014 California Institute for Regenerative Medicine [Member] Beta-thalassemia [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |
Funds due under the agreement |  | $ 14.5 |  |  | $ 6.4 |
Agreement to receive |  | 4 years |  |  | 4 years |
Expected amount to be received for research and development |  | 5.2 |  |  |  |
Agreement date |  | Oct. 31, 2009 |  |  |  |
Receivables from sale against the grant funded to entity from sale of product | Two times the amount Sangamo receives in funding under the agreement |  |  |  |  |
Revenues under agreement |  |  |  |  |  | 0.4
Collaboration agreement related costs and expenses |  |  | $ 0.3 | $ 0.4 |  | $ 1.3

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- Definition Research grant revenue. + References No definition available. + Details
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- Details
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