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Fair value measurements
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Fair value measurements

3. Fair value measurements

The carrying amounts of the Company’s current financial assets and current financial liabilities are considered to be representative of their respective fair values because of the short-term nature of those instruments. As of December 31, 2021 and December 31, 2020, the Company had no financial assets or liabilities measured at fair value on a recurring basis.
 

The accounting guidance defines fair value, establishes a consistent framework for measuring fair value and expands disclosure for each major asset and liability category measured at fair value on either a recurring or non-recurring basis. Fair value is defined as an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, the accounting guidance establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value as follows:
 

Level 1: Observable inputs such as quoted prices in active markets.
 

Level 2: Inputs, other than the quoted prices in active markets that are observable either directly or indirectly.
 

Level 3: Unobservable inputs in which there is little or no market data, which require the reporting entity to develop its own assumptions.
 

None of the Company’s non-financial assets and liabilities are recorded at fair value on a non-recurring basis. No transfers between levels have occurred during the periods presented.
 

The 2018 Notes (as amended in 2020), the 2019 Notes and the 2020 Notes (each as defined and described in Note 4) contained a redemption feature which was determined to be an embedded derivative requiring bifurcation and separate accounting. The fair value of the derivative was determined based on an income approach that identified the cash flows using a “with-and-without” valuation methodology. The

inputs used to determine the estimated fair value of the derivative instrument were based primarily on the probability of an underlying event triggering the embedded derivative occurring and the timing of such event.

The following table provides a reconciliation of the embedded derivative liability measured at fair value using Level 3 unobservable inputs (in thousands):

 

 

 

Embedded
derivative
liability

 

Balance at December 31, 2019

 

$

1,856

 

Initial fair value of embedded derivatives issued

 

 

3,415

 

Change in fair value

 

 

1,581

 

Settlement

 

 

(6,852

)

Balance at December 31, 2020

 

$