Summary of Significant Accounting Policies (Schedule of Customers that Account for Greater than 10 Percent of Accounts Receivable) (Details) (USD $)			3 Months Ended	9 Months Ended				12 Months Ended		3 Months Ended			9 Months Ended				12 Months Ended		3 Months Ended		9 Months Ended				12 Months Ended	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 GlaxoSmithKline LLC [Member]	Sep. 30, 2014 GlaxoSmithKline LLC [Member]	Sep. 30, 2013 GlaxoSmithKline LLC [Member]		Sep. 30, 2014 GlaxoSmithKline LLC [Member] Accounts Receivable [Member]	Dec. 31, 2013 GlaxoSmithKline LLC [Member] Accounts Receivable [Member]		Sep. 30, 2014 GlaxoSmithKline Biologicals S.A. [Member]		Sep. 30, 2013 GlaxoSmithKline Biologicals S.A. [Member]	Sep. 30, 2014 GlaxoSmithKline Biologicals S.A. [Member]		Sep. 30, 2013 GlaxoSmithKline Biologicals S.A. [Member]	Sep. 30, 2014 GlaxoSmithKline Biologicals S.A. [Member] Accounts Receivable [Member]	Dec. 31, 2013 GlaxoSmithKline Biologicals S.A. [Member] Accounts Receivable [Member]		Sep. 30, 2014 GlaxoSmithKline Entities [Member]	Sep. 30, 2013 GlaxoSmithKline Entities [Member]	Sep. 30, 2014 GlaxoSmithKline Entities [Member]		Sep. 30, 2013 GlaxoSmithKline Entities [Member]	Sep. 30, 2014 GlaxoSmithKline Entities [Member] Accounts Receivable [Member]	Dec. 31, 2013 GlaxoSmithKline Entities [Member] Accounts Receivable [Member]	Sep. 30, 2014 Medicare [Member]	Sep. 30, 2013 Medicare [Member]	Sep. 30, 2014 Medicare [Member]	Sep. 30, 2013 Medicare [Member]	Sep. 30, 2014 Medicare [Member] Accounts Receivable [Member]	Dec. 31, 2013 Medicare [Member] Accounts Receivable [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Receivable Balance	$ 6,889,100	$ 6,225,923					$ 145,654	$ 597,937								$ 470,957	$ 544,298							$ 616,611	$ 1,142,235					$ 2,377,560	$ 2,422,611
Percent of Total Receivables			0.00%	0.00%		[1]	0.00%		[2]		[1]	16.00%		[1]	21.00%	0.00%		[2]	10.00%	17.00%		[1]	25.00%	0.00%	13.00%	19.00%	23.00%	27.00%	23.00%	26.00%	28.00%

[1] Represents less than 10% of revenue.

[2] Represents less than 10% of accounts receivable.