XML 37 R25.htm IDEA: XBRL DOCUMENT v3.20.2
Stock Option Plan (Tables)
6 Months Ended
Jun. 30, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
Activity under the Company's stock option plans is set forth below:
 
Number of
Options
Weighted-
Average
Exercise Price
Weighted-
Average
Remaining
Contractual
Term (Years)
Aggregate
Intrinsic
Value
Outstanding, December 31, 20191,375,542  $8.33  9.16$23,654  
Granted580,731  $18.78  
Exercised(47,299) $0.27  
Forfeited(222,296) $9.84  
Expired(9,678) $29.22  
Outstanding, June 30, 2020
1,677,000  $11.85  9.07$5,820  
Vested and expected to vest, June 30, 2020
1,677,000  $11.85  9.07$5,820  
Options exercisable, June 30, 2020
219,800  $2.42  8.14$2,430  
Schedule of Fair Value Assumptions, Stock Options
The fair value of employee stock options was estimated using the following assumptions to determine the fair value of stock options granted:
 
 Three Months Ended June 30,Six Months Ended June 30,
 2020201920202019
Expected volatility
51%
59%
47%-51%
59%
Risk-free interest rate
0.4%
2.6%
0.4%-1.7%
2.6%
Dividend yield
Expected term (in years)
5.50-6.08
6.08
5.50-6.08
6.08
Schedule of Non-cash Stock-based Compensation Expense
Total non-cash stock-based compensation expense recorded related to options granted in the condensed statement of operations is as follows (in thousands):
 
 Three Months Ended June 30,Six Months Ended June 30,
 2020201920202019
Cost of revenue$ $ $12  $ 
Selling, general and administrative564   986  18  
Research and development77   80   
Total$647  $11  $1,078  $23