FAIR VALUE MEASUREMENTS

6 Months Ended

Jun. 30, 2013

NOTE 4:- FAIR VALUE MEASURMENTS

The Company adopted the provision of ASC 820, "Fair Value Measurements and Disclosures" ("ASC 820") on January 1, 2008. ASC 820 defines fair value as the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. When determining the fair value measurements for assets and liabilities required to be recorded at fair value, the Company considers the principal or most advantageous market in which it would transact and consider assumptions that market participants would use when pricing the asset or liability, such as inherent risk, transfer restrictions and risk of nonperformance.

ASC 820 also establishes a fair value hierarchy that requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. A financial instrument's categorization within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement. ASC 820 establishes three levels of inputs that may be used to measure fair value:

Level 1 -

quoted prices in active markets for identical assets or liabilities;

Level 2 -

inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices in active markets for similar assets or liabilities, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; or

Level 3 -

unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

The changes in Level 3 liabilities are measured at fair value on a recurring basis:

	Fair value of embedded derivatives

Balance at January 1, 2012	$	5,707

Fair value of Exchange Option within the 2012 proceeds under the second research and development arrangement		569
Change in fair value of Exchange Option and embedded derivatives within research and development arrangements		588

Balance at December 31, 2012 *)		6,864

Fair value of Exchange Option within the 2013 proceeds under the second research and development arrangement		4,756
Change in fair value of Exchange Option and embedded derivatives within research and development arrangements		(467	)

Balance at June 30, 2013 (unaudited) *)	$	11,153

The amount on the balance sheets of the research and development funding arrangements and others includes also a mAb Participation Interest in the amount of $ 884 and $ 744 as of June 30, 2013 and December 31, 2012, respectively, and fair value of liability with respect to outstanding options to a non-employee in the amount of $0 and $ 264 as of June 30, 2013 and December 31, 2012, respectively.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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