Customer, Supplier and Product Concentration (Tables)

12 Months Ended

Dec. 31, 2013

Customer, Supplier and Product Concentration [Abstract]

Company's Gross and Net Sales and Gross Accounts Receivable

The following table sets forth the percentage of the Company’s gross and net sales and gross accounts receivable attributable to these three distributors for the periods indicated:

	2013									2012									2011
	Gross Sales			Net Revenue			Gross Accounts Receivable			Gross Sales			Net Revenue			Gross Accounts Receivable			Gross Sales			Net Revenue			Gross Accounts Receivable
Amerisource		19	%		14	%		25	%		19	%		14	%		29	%		23	%		23	%		29	%
Cardinal		23	%		16	%		26	%		23	%		17	%		30	%		27	%		25	%		34	%
McKesson		16	%		11	%		12	%		16	%		11	%		14	%		16	%		15	%		9	%
Total		58	%		41	%		63	%		58	%		42	%		73	%		66	%		63	%		72	%