XML 36 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.6

California Institute for Regenerative Medicine Funding Program (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended |
--- | --- | ---
Sep. 30, 2012 | Jul. 31, 2012
Spinal Cord Injury [Member] |  |
California institute for regenerative medicine funding program |  |
Approval of Fund by California Institute for Regenerative Medicine (CIRM) |  | $ 20
Approval of Fund by California Institute for Regenerative Medicine (CIRM) maximum period | 4 years |
Alzheimer's disease [Member] |  |
California institute for regenerative medicine funding program |  |
Approval of Fund by California Institute for Regenerative Medicine (CIRM) | 20 |
Approval of Fund by California Institute for Regenerative Medicine (CIRM) maximum period | 4 years |

X
- Definition Approval of fund to collaborators. + References No definition available. + Details
Name: | stem_ApprovalOfFundToCollaborators
Namespace Prefix: | stem_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Approval of fund to collaborators maximum validation period. + References No definition available. + Details
Name: | stem_ApprovalOfFundToCollaboratorsMaximumValidationPeriod
Namespace Prefix: | stem_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | stem_CaliforniaInstituteForRegenerativeMedicineFundingProgramTextualAbstract
Namespace Prefix: | stem_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration