XML 86 R49.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Major Customers, Partnerships and Strategic Alliances - California Institute for Regenerative Medicine - HIV - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2013 | Oct. 31, 2009 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |
Receivables from sale against the grant funded to entity from sale of product |  |  | Two times the amount Sangamo receives in funding under the agreement |  |
California Institute for Regenerative Medicine [Member] |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |
Funds due under the agreement | $ 6.4 | $ 14.5 |  |  |
Agreement to receive | 4 years | 4 years |  |  |
Expected amount to be received for research and development |  | 5.2 |  |  |
Agreement date |  | Oct. 31, 2009 |  |  |
Collaboration agreement related costs and expenses |  |  | 1.8 | 1.2 | 2.0
California Institute for Regenerative Medicine [Member] | License agreement terms [Member] |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |
Revenues under agreement |  |  | 1.2 | 1.2 | 1.7
California Institute for Regenerative Medicine [Member] | License agreement terms [Member] | Therapeutic for beta-thalassemia [Member] |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |
Revenues under agreement |  |  | 0.1 |  |
Collaboration agreement related costs and expenses |  |  | $ 0.4 |  |

X
- Definition Agreement date. + References No definition available. + Details
Name: | sgmo_AgreementDate
Namespace Prefix: | sgmo_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

X
- Definition Agreement to receive. + References No definition available. + Details
Name: | sgmo_AgreementToReceive
Namespace Prefix: | sgmo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Collaboration agreement related costs and expenses. + References No definition available. + Details
Name: | sgmo_CollaborationAgreementRelatedCostsAndExpenses
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expected amount to be received for research and development. + References No definition available. + Details
Name: | sgmo_ExpectedAmountToBeReceivedForResearchAndDevelopment
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Grant funding amount. + References No definition available. + Details
Name: | sgmo_GrantFundingAmount
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Potential Royalty Payments To Entity + References No definition available. + Details
Name: | sgmo_PotentialRoyaltyPaymentsToEntity
Namespace Prefix: | sgmo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Research grant revenue. + References No definition available. + Details
Name: | sgmo_ResearchGrantRevenue
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration