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]  
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes information about the Company’s stock options outstanding as of September 30, 2021, and activity during the nine months then ended:
Stock
Awards		 Weighted-
Average
Exercise Price		 Weighted-
Average
Remaining
Contractual
Life (Years)		 Aggregate
Intrinsic
Value
Balance as of December 31, 2020 529  $ 31.62 
Options forfeited (15) 8.65 
Options cancelled (15) 27.39 
Balance as of September 30, 2021 499  $ 32.44  6.56 $ — 
Vested and expected to vest at September 30, 2021 499  $ 32.44  6.56 $ — 
Exercisable as of September 30, 2021 393  $ 37.12  6.23 $ — 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The per-share fair value of each stock option was determined on the date of grant using the Black-Scholes Model using the following assumptions:
  Three Months Ended September 30, Nine Months Ended September 30,
  2021 2020 2021 2020
Dividend yield N/A N/A N/A — 
Risk-free interest rate N/A N/A N/A 1.58  %
Expected term (in years) N/A N/A N/A 5.6
Volatility N/A N/A N/A 102  %
N/A - No stock options were granted during the three and nine months ended September 30, 2021 and the three months ended September 30, 2020.
Schedule of Unvested Restricted Stock Units Roll Forward
Combined RSU and PSU activity for the nine months ended September 30, 2021 is summarized below:
  Number of
Shares		 Weighted-
Average Grant
Date Fair Value
Unvested as of December 31, 2020 143  $ 6.21 
Granted 530  5.92 
Vested (21) 8.06 
Forfeited (56) 7.69 
Unvested at September 30, 2021 596  $ 5.79 
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation expense related to options, RSUs and PSUs granted to employees is included in the condensed consolidated statements of operations and comprehensive loss as follows:
  Three Months Ended September 30, Nine Months Ended September 30,
  2021 2020 2021 2020
Sales and marketing $ 119  $ 103  $ 310  $ 339 
Research and development 74  49  184  161 
General and administrative 470  365  1,044  1,112 
  $ 663  $ 517  $ 1,538  $ 1,612