Summary of Significant Accounting Policies (Schedule of Customers that Account for Greater than 10 Percent of Accounts Receivable) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	$ 6,225,923	$ 5,373,023
GlaxoSmithKline, LLC [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	597,937	200,169
Percent of Total Receivables	6.90%	3.10%
GlaxoSmithKline Biologicals S.A. [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	544,298	1,490,975
Percent of Total Receivables	6.30%	23.40%
GlaxoSmithKline Entities [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	1,142,235	1,691,144
Percent of Total Receivables	13.20%	26.50%
Medicare [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	$ 2,422,611	$ 890,936
Percent of Total Receivables	28.10%	14.00%