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Subsequent Events | 12 Months Ended
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Dec. 31, 2013
Subsequent Events [Abstract] |
Subsequent Events [Text Block] | Subsequent Events Common Stock Issuance Pursuant to the Purchase Agreement with Aspire (see Note 12), from January 1, 2014 through March 7, 2014, Aspire has purchased 0.8 million shares of the Company's common stock for an aggregate consideration of approximately $5.6 million. Option and Warrant Exercises Subsequent to December 31, 2013, warrant holders exercised an aggregate of 250,000 warrants at an exercise price of $5.10 per share for gross proceeds of approximately $1.3 million, and option holders exercised an aggregate of 4,800 options at an exercise price of $6.20 per share for gross proceeds of approximately $0.03 million. 2014 Aspire Agreement On March 10, 2014, the Company entered into a Common Stock Purchase Agreement with Aspire, whereby Aspire is committed to purchase up to an aggregate of $30.0 million of shares of NeoStem common stock over a 24-month term.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References No definition available. + Details
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