Concentration of Credit Risk and Significant Customers (Tables)

9 Months Ended

Sep. 30, 2012

Concentration of Credit Risk and Significant Customers [Abstract]

Schedule of Revenue by Major Customers as Percentage of Total Revenue

We had revenue from customers, as a percentage of total revenue, as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2011			2012			2011			2012
Novartis		-			95	%		-			36	%
Monsanto		-			5	%					54	%
Mirna		-			-			-			4	%
Debiopharm		91	%		-			63	%		1	%
Astra Zeneca		-			-			9	%		-
Undisclosed Partner #1		-			-			8	%		-
Other		9	%		-			20	%		5	%
Total		100	%		100	%		100	%		100	%