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Consolidated Statements of Equity (USD $) | Total | Convertible Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Accumulated Deficit [Member] | Treasury Stock [Member] | Total NeoStem, Inc. Shareholders' Equity [Member] | Non-Controlling Interest in Subsidiary [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2011 | $ 80,132,518 | $ 100 | $ 10,933 | $ 200,957,035 | $ 4,152,343 | $ (143,094,854) | $ 0 | $ 62,025,557 | $ 18,106,961
Beginning Balance (in shares) at Dec. 31, 2011 |  | 10,000 | 10,932,959 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net loss | (66,369,311) |  |  |  |  | (53,769,484) |  | (53,769,484) | (12,599,827)
Foreign currency translation | 385,905 |  |  |  | 235,028 |  |  | 235,028 | 150,877
Share-based compensation (in shares) |  |  | 336,427 |  |  |  |  |  |
Share-based compensation | 6,712,536 |  | 336 | 6,712,200 |  |  |  | 6,712,536 |
Proceeds from issuance of common stock (in shares) |  |  | 3,573,229 |  |  |  |  |  |
Proceeds from issuance of common stock | 16,428,827 |  | 3,573 | 16,425,254 |  |  |  | 16,428,827 |
Net proceeds from exercise of options | 0 |  |  |  |  |  |  |  |
Proceeds from warrant exercises (in shares) |  |  | 1,107,618 |  |  |  |  |  |
Proceeds from warrant exercises | 6,604,419 |  | 1,108 | 6,603,311 |  |  |  | 6,604,419 |
Shares, options and warrants received in Erye Sale | (1,117,901) |  |  | (452,301) |  |  | (665,600) | (1,117,901) |
Elimination of Equity upon Erye Sale | (10,402,352) |  |  | 0 | (4,387,371) |  |  | (4,387,371) | (6,014,981)
Repayment of Series E Preferred Principal and Dividends (in shares) |  |  | 279,238 |  |  |  |  |  |
Repayment of Series E Preferred Principal and Dividends | 674,194 |  | 279 | 1,201,938 |  | 528,023 |  | 674,194 |
Warrant inducements | 41,969 |  | 145,895 |  |  |  |  |  |
Warrant inducements | (228,676) |  | (146) | (228,822) |  |  |  | (228,676) |
Ending Balance at Dec. 31, 2012 | 32,820,159 | 100 | 16,375 | 231,218,615 | 0 | (197,392,361) | (665,600) | 33,177,129 | (356,970)
Ending Balance (in shares) at Dec. 31, 2012 |  | 10,000 | 16,375,365 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net loss | (39,485,334) |  |  |  |  | (38,981,244) |  | (38,981,244) | (504,090)
Share-based compensation (in shares) |  |  | 513,912 |  |  |  |  |  |
Share-based compensation | 6,838,559 |  | 514 | 6,878,187 |  |  | 40,142 | 6,838,559 |
Proceeds from issuance of common stock (in shares) |  |  | 9,712,724 |  |  |  |  |  |
Proceeds from issuance of common stock | 58,736,166 |  | 9,713 | 58,726,453 |  |  |  | 58,736,166 |
Proceeds from option exercises, shares |  |  | 31,369 |  |  |  |  |  |
Net proceeds from exercise of options | 150,658 |  | 31 | 150,627 |  |  |  | 150,658 |
Proceeds from warrant exercises (in shares) |  |  | 563,167 |  |  |  |  |  |
Proceeds from warrant exercises | 3,028,241 |  | 564 | 3,027,677 |  |  |  | 3,028,241 |
Warrant inducements | 40,407 |  | 0 |  |  |  |  |  |
Warrant inducements | (62,014) |  | 0 | (62,014) |  |  |  | (62,014) |
Change in Ownership in Subsidiary |  |  |  | (345,020) |  |  |  | (345,020) | 345,020
Ending Balance at Dec. 31, 2013 | $ 62,026,435 |  | $ 27,197 | $ 299,594,525 | $ 0 | $ (236,373,605) | $ (705,742) | $ 62,542,475 | $ (516,040)
Ending Balance (in shares) at Dec. 31, 2013 |  | 10,000 | 27,196,537 |  |  |  |  |  |

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