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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, 2012 | $ 32,820,159 | $ 33,177,129 | $ 100 | $ 16,375 | $ 231,218,615 | $ 0 | $ (197,392,361) | $ (665,600) | $ (356,970)
Beginning Balance (shares) at Dec. 31, 2012 |  |  | 10,000 | 16,375,365 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net loss | (17,489,971) | (17,375,935) |  |  |  |  | (17,375,935) |  | (114,036)
Share-based compensation (in shares) |  |  |  | 304,402 |  |  |  |  |
Share-based compensation | 3,314,197 | 3,314,197 |  | 304 | 3,313,893 |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  | 2,883,847 |  |  |  |  |
Net proceeds from issuance of common stock | 14,248,148 | 14,248,148 |  | 2,884 | 14,245,264 |  |  |  |
Proceeds from exercise of options | 0 |  |  |  |  |  |  |  |
Proceeds from warrant exercise (in shares) |  |  |  | 20,761 |  |  |  |  |
Stock Issued During Period, Value, Warrant Exercises | 105,881 | 105,881 |  | 21 | 105,860 |  |  |  |
Warrant Inducements | 6,239 | 6,239 |  |  | 6,239 |  |  |  |
Ending Balance at Jun. 30, 2013 | 32,992,175 | 33,463,181 | 100 | 19,584 | 248,877,393 | 0 | (214,768,296) | (665,600) | (471,006)
Ending Balance (shares) at Jun. 30, 2013 |  |  | 10,000 | 19,584,375 |  |  |  |  |
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 | (26,599,576) | (26,287,074) |  |  |  |  | (26,287,074) |  | (312,502)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax | 998 | 998 |  |  |  | 998 |  |  |
Share-based compensation (in shares) |  |  |  | 456,709 |  |  |  |  |
Share-based compensation | 5,653,451 | 5,653,451 |  | 457 | 5,652,994 |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  | 1,650,081 |  |  |  |  |
Net proceeds from issuance of common stock | 10,149,438 | 10,149,438 |  | 1,650 | 10,147,788 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  |  |  | 41,136 |  |  |  |  |
Proceeds from exercise of options | 230,183 | 230,183 |  | 41 | 230,142 |  |  |  |
Proceeds from warrant exercise (in shares) |  |  |  | 265,250 |  |  |  |  |
Stock Issued During Period, Value, Warrant Exercises | 1,373,925 | 1,373,925 |  | 264 | 1,373,661 |  |  |  |
Stock Issued During Period, Shares, Acquisitions |  |  |  | 5,329,510 |  |  |  |  |
Stock Issued During Period, Value, Acquisitions | 24,462,451 | 24,462,451 |  | 5,330 | 24,457,121 |  |  |  |
Change in Ownership in Subsidiary | 0 | (86,618) |  |  | (86,618) |  |  |  | 86,618
Ending Balance at Jun. 30, 2014 | $ 77,297,305 | $ 78,039,229 | $ 100 | $ 34,939 | $ 341,369,613 | $ 998 | $ (262,660,679) | $ (705,742) | $ (741,924)
Ending Balance (shares) at Jun. 30, 2014 |  |  | 10,000 | 34,939,223 |  |  |  |  |

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