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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2022
Stockholders' Equity Note [Abstract]  
Schedule of Stock Options Activity
A summary of the stock option activity under the Company's equity incentive plans is presented below:
Number of
Shares(1)
Weighted
Average
Exercise
Price(1)
Weighted
Average
Remaining
Term
Aggregate
Intrinsic Value
Balance as of December 31, 20214,560$6.29 3.07$2,670 
Granted2,3654.78 
Exercised(412)0.96 
Forfeited(360)5.79 
Expired(2,177)5.92 
Balance as of December 31, 20223,976$6.20 3.80$— 
Expected to vest at December 31, 20223,976$6.20 3.80$— 
Exercisable at December 31, 20223,275$6.34 2.70$— 
Schedule of Fair Value of Stock Option Awards Valuation Assumptions
The fair value of stock option awards is estimated on the date of grant using the Black-Scholes option-pricing model based upon the following range of assumptions:
202220212020
Exercise price
$1.17 – $5.31
$8.99 –$9.25
$7.48 – $8.33
Expected dividend yield0%0%0%
Expected volatility
48% –93%
45% – 48%
41% –46%
Expected term (years)
1.00– 6.20
5.00 – 6.07
5.55 – 6.07
Risk free interest rate
1.86% – 3.95%
0.80% – 1.04%
0.26% – 1.17%
Schedule of RSU Activity
A summary of RSU activity is presented below:
Shares
Weighted Average Grant-Date Fair Value
Outstanding as of December 31, 20215,235$8.88 
Granted8,1253.12 
Vested(4,617)8.21 
Forfeited(1,248)5.65 
Outstanding as of December 31, 20227,495$3.59