Agreement with Creighton University (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2013
AGREEMENT WITH CREIGHTON UNIVERSITY [Line Items]
Percentage of royalty of product revenue	1.50%
Minimum investment under royalty agreement	$ 2,500,000
Period for minimum investment under royalty agreement	36 months
Patent related under royalty agreement	$ 150,000
Reimbursement percentage of research and development expenses	20.00%