Commitments and Contingencies - Service Agreements (Details) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2010
Tissue Processing Agreement [Member]
Service Agreements
Term of agreement			5 years
Commitment extension period		18 months
Master Services Agreement For Clinical Research and Related Services [Member]
Service Agreements
Company is required to pay execution of the agreement	$ 151,318
Company is required to pay for the agreement on monthly basis	$ 20,416
Period for agreement	42 months