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The Business Principal of consolidation (Details) | 6 Months Ended
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Jun. 30, 2012
NeoStem, Inc. [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | Parent Company
NeoStem, Inc. [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
NeoStem Therapies, Inc [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 100%
NeoStem Therapies, Inc [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
Stem Cell Technologies, Inc [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 100%
Stem Cell Technologies, Inc [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
Amorcyte, LLC [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 100%
Amorcyte, LLC [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
CBH Acquisition LLC [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 100%
CBH Acquisition LLC [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
China Biopharmaceuticals Holdings, Inc. [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 100% owned by CBH Acquisition LLC
China Biopharmaceuticals Holdings, Inc. [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
Suzhou Erye Pharmaceuticals Company Ltd. [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 51% owned by CBH
Suzhou Erye Pharmaceuticals Company Ltd. [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | People’s Republic of China
Progenitor Cell Therapy, LLC [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 100%
Progenitor Cell Therapy, LLC [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
NeoStem Family Storage, LLC [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 100% owned by PCT
NeoStem Family Storage, LLC [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
Athelos Corporation [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 80.1% owned by PCT
Athelos Corporation [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America
PCT Allendale, LLC [Member] | Percentage Of Ownership [Member] |
Schedule of Subisidiary [Line Items] |
Noncontrolling Interest, Ownership Percentage by Parent, String | 100% owned by PCT
PCT Allendale, LLC [Member] | Location [Member] |
Schedule of Subisidiary [Line Items] |
Entity Location | United States of America

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