Summary of Significant Accounting Policies (Schedule of Customers that Account for Greater than 10 Percent of Accounts Receivable) (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	$ 5,269,551	$ 5,373,023
Abbott Molecular, Inc. [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	697,622	377,296
Percent of Total Receivables	10.50%	5.90%
GlaxoSmithKline and GlaxoSmithKline Biologicals [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	712,477	1,691,144
Percent of Total Receivables	10.80%	26.60%
Medicare [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	$ 1,449,049	$ 890,936
Percent of Total Receivables	22.90%	14.00%