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Subsequent Events	12 Months Ended
Subsequent Events	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.