Change in Ownership in Subsidiary

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- Definition

Proceeds from option exercises, shares

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No definition available.

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- Definition

Stock Issued During Period, Shares, Warrants Exercised

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No definition available.

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- Definition

Stock Issued During Period, Value, Warrant Exercises

+ References

No definition available.

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- Definition

Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

+ References

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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-Glossary Financing Activities

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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- Definition

Number of shares issued which are neither cancelled nor held in the treasury.

+ References

No definition available.

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- Definition

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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- Definition

Number of new stock issued during the period.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Consolidated Statements of Equity (USD $)	Total	Total NeoStem, Inc. Shareholders' Equity [Member]	Preferred Stock [Member] Series B Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2013	$ 62,026,435	$ 62,542,475	$ 100	$ 27,197	$ 299,594,525	$ 0	$ (236,373,605)	$ (705,742)	$ (516,040)
Beginning Balance (shares) at Dec. 31, 2013			10,000	27,196,537
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(13,830,084)us-gaap_ProfitLoss	(13,682,057)					(13,682,057)		(148,027)
Share-based compensation (in shares)				329,698
Share-based compensation	3,893,616	3,893,616		330	3,893,286
Stock Issued During Period, Shares, New Issues				804,375
Net proceeds from issuance of common stock	5,630,625	5,630,625		804	5,629,821
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				12,800
Proceeds from exercise of options	71,360	71,360		13	71,347
Proceeds from warrant exercise (in shares)				250,000
Stock Issued During Period, Value, Warrant Exercises	1,275,000	1,275,000		250	1,274,750
Change in Ownership in Subsidiary	0nbs_ChangeinOwnershipinSubsidiary	(86,617)			(86,617)				86,617
Ending Balance at Mar. 31, 2014	59,066,952	59,644,402	100	28,594	310,377,112	0	(250,055,662)	(705,742)	(577,450)
Ending Balance (shares) at Mar. 31, 2014			10,000	28,593,410
Beginning Balance at Dec. 31, 2014	58,073,789	58,514,836	100	36,784	350,428,903	1,329	(291,246,538)	(705,742)	(441,047)
Beginning Balance (shares) at Dec. 31, 2014			10,000	36,783,857
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(19,231,488)us-gaap_ProfitLoss	(19,186,896)					(19,186,896)		(44,592)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(1,329)	(1,329)				(1,329)
Share-based compensation (in shares)				470,289
Share-based compensation	3,715,759	3,715,759		470	3,715,289
Stock Issued During Period, Shares, New Issues				2,169,765
Net proceeds from issuance of common stock	7,411,828	7,411,828		2,170	7,409,658
Proceeds from exercise of options	0
Change in Ownership in Subsidiary	0nbs_ChangeinOwnershipinSubsidiary	(50,537)			(50,537)				50,537
Ending Balance at Mar. 31, 2015	$ 49,968,559	$ 50,403,661	$ 100	$ 39,424	$ 361,503,313	$ 0	$ (310,433,434)	$ (705,742)	$ (435,102)
Ending Balance (shares) at Mar. 31, 2015			10,000	39,423,911