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Stockholders’ equity (Tables)
12 Months Ended
Dec. 31, 2021
Stockholders' Equity Note [Abstract]  
Fair Value Measurement Inputs and Valuation Techniques
The Company valued the warrants using the Black-Scholes-Merton option pricing model with the following inputs:
Year ended December 31, 2020
Risk-free interest rate 0.13 %
Expected term (in years) 1
Expected volatility 65 %
Expected dividend yield %