Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2014

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

respectively.

	Three Months Ended
(in thousands, except per share data)	March 31, 2014			June 30, 2014			September 30, 2014			December 31, 2014
Revenues	$	4,056		$	4,489		$	4,118		$	5,276
Total operating costs and expenses	$	17,555		$	16,919		$	20,376		$	20,830
Net loss from continuing operations	$	(13,830	)	$	(12,769	)	$	(17,177	)	$	(11,691	)
Net loss attributable to NeoStem, Inc. common stockholders	$	(13,682	)	$	(12,605	)	$	(16,974	)	$	(11,612	)
Basic and diluted loss per share attributable to NeoStem, Inc. common stockholders	$	(0.49	)	$	(0.40	)	$	(0.48	)	$	(0.32	)

	Three Months Ended
(in thousands, except per share data)	March 31, 2013			June 30, 2013			September 30, 2013			December 31, 2013
Revenues	$	2,524		$	4,359		$	3,707		$	4,078
Total operating costs and expenses	$	11,355		$	12,530		$	13,020		$	14,573
Net loss from continuing operations	$	(8,864	)	$	(8,626	)	$	(9,277	)	$	(12,719	)
Net loss attributable to NeoStem, Inc. common stockholders	$	(8,801	)	$	(8,575	)	$	(9,071	)	$	(12,535	)
Basic and diluted loss per share attributable to NeoStem, Inc. common stockholders	$	(0.53	)	$	(0.46	)	$	(0.45	)	$	(0.47	)