Concentration of Business Risk

3 Months Ended

Mar. 31, 2014

Concentration of Business Risk [Abstract]

We have historically funded our operations from collaborations with corporate partners and a relatively small number of partners have accounted for a significant percentage of our revenue. Revenue from significant partners, which is defined as ten percent or more of our total revenue, was as follows:

	Three Months Ended March 31,
	2014			2013
Partner A		36	%		9	%
Partner B		27	%		1	%
Partner C		12	%		23	%
Partner D		12	%		6	%
Partner E		0	%		58	%

Contract receivables from two significant partners comprised approximately 89 percent of our contract receivables at March 31, 2014. Contract receivables from three significant partners comprised approximately 91 percent of our contract receivables at December 31, 2013.

- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

+ References+ Details