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FAIR VALUE MEASUREMENTS

12 Months Ended

Dec. 31, 2021

NOTE 7:-FAIR VALUE MEASUREMENTS

Financial instruments measured at fair value on a recurring basis include warrants to convertible preferred shares (see note 9). The warrants are classified as a liability in accordance with ASC 480-10-25. These warrants were classified as level 3 in the fair value hierarchy since some of the inputs used in the valuation (the share price) were determined based on management’s assumptions. To calculate the fair value of the warrants, the Company first calculated the underlying preferred share value by using the income approach and the market approach. Then the equity value was allocated by using the hybrid model method utilizing two scenarios of OPM and IPO. Once the preferred shares value was derived from the two scenarios, the Black-Scholes model was utilized to calculate the warrants value in each one of the scenarios. Then, probability for each one of the scenarios was applied by the Company to derive the weighted average fair value of the warrants.

The following table summarizes the assumptions used by the Company in the Black-Scholes model:


	December 31,
	2019		2020		2021
Expected term	3		2.25		1.25
Expected dividend yield	0	%	0	%	0	%
Expected volatility	78.11	%	96.83	%	83.00	%
Risk-free interest rate	1.91	%	0.42	%	0.75	%

The change in the fair value of the preferred share warrants liability is summarized below:


	2020		2021
Beginning of year	$	5,163	$	5,366
Change in fair value		203		13,257
End of year	$	5,366	$	18,623

- 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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