The Business Principal of consolidation (Details)	Mar. 31, 2016	Mar. 11, 2016
Schedule of Subisidiary [Line Items]
Subsidiary, Ownership Interest by Parent		80.10%
NeoStem, Inc. [Member]
Schedule of Subisidiary [Line Items]
Subsidiary, Ownership Interest by Parent	100.00%
NeoStem Therapies, Inc [Member] | UNITED STATES
Schedule of Subisidiary [Line Items]
Subsidiary, Ownership Interest by Parent	100.00%
Stem Cell Technologies, Inc [Member] | UNITED STATES
Schedule of Subisidiary [Line Items]
Subsidiary, Ownership Interest by Parent	100.00%
Amorcyte, LLC [Member] | UNITED STATES
Schedule of Subisidiary [Line Items]
Subsidiary, Ownership Interest by Parent	100.00%
PCT Allendale, LLC [Member] | UNITED STATES
Schedule of Subisidiary [Line Items]
Subsidiary, Ownership Interest by Parent	80.10%
Athelos Corporation [Member] | UNITED STATES
Schedule of Subisidiary [Line Items]
Subsidiary, Ownership Interest by Parent	97.30%
NeoStem Oncology [Member] | UNITED STATES
Schedule of Subisidiary [Line Items]
Subsidiary, Ownership Interest by Parent	100.00%
Hitachi Chemical Co., LTD [Member]
Schedule of Subisidiary [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.90%
Becton Dickson [Member]
Schedule of Subisidiary [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	2.70%