Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

v3.21.2
STOCK-BASED COMPENSATION (Tables)
 9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Summary of Stock-based Compensation Expense
The following table summarizes stock-based compensation expense that the Company recorded in income (loss) from operations for the periods shown:
Three Months Ended September 30, Nine Months Ended September 30,
2021 2020 2021 2020
Selling and marketing $ 22  $ 24  $ 54  $ 71 
General and administrative 117  277  1,587  802 
Research and development 694  968  2,039  1,751 
Stock-based compensation expense $ 833  $ 1,269  $ 3,680  $ 2,624 
Capitalized stock-based compensation $ 184  $ 73  $ 502  $ 375 
Summary of Stock Option Activity
The following is a summary of stock option activity for time-based and performance-based options for the nine months ended September 30, 2021 (in thousands, except weighted-average exercise price and remaining term):
No. of
Options		 Weighted-Average
Exercise Price		 Weighted-Average
Remaining Term (in Years)		 Aggregate
Intrinsic Value
Outstanding - December 31, 2020 18,090  $ 0.85 
Granted 128  7.85 
Exercised (2,440) 0.85 
Forfeited (383) 1.82 
Expired (65) 1.52 
Outstanding - September 30, 2021 15,330  0.88  6.6 $ 17,042 
Unvested - September 30, 2021 4,837  0.96  7.7 7,670 
Exercisable - September 30, 2021 10,493  0.88  6.0 9,373 
Schedule of Weighted-average Assumptions
The following table presents the weighted-average assumptions used to estimate the fair value of the stock options granted in the Company’s consolidated financial statements:
Nine Months Ended
September 30,
2021 2020
Expected term (in years) 5.86 5.96
Expected volatility 51.24% 59.98%
Risk-free interest rate range
0.54% – 0.60%
0.24% – 0.51%
Dividend yield 0% 0%
Grant-date fair value $4.01 $1.40