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Fair value measurements
12 Months Ended
Dec. 31, 2020
Fair value measurements  
Fair value measurements

3. Fair value measurement

A reconciliation of the change in the fair value of the warrant liability for the year ended December 31, 2020 is as follows (in thousands).

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Fair Value

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Measurements

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Using Significant

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Unobservable

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Inputs

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(Level 3)

Balance, December 31, 2019

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$

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Issuance of warrants on June 2, 2020

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1,522

Change in fair value of warrant liability

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5,538

Reclass of warrant liability to additional paid-in capital upon IPO

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(7,060)

Warrant liability, December 31, 2020

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$

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A summary of the inputs used in the Black-Scholes pricing model to fair value the warrants are disclosed in Note 12.