Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

v3.20.2
Stock-based Compensation (Tables)
 9 Months Ended
Sep. 30, 2020
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, 2020, 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, 2019 494  $ 36.64 
Options granted 90  5.65 
Options exercised —  — 
Options forfeited (24) 26.49 
Options cancelled (28) 42.38 
Balance as of September 30, 2020 532  $ 31.57  7.61 $ — 
Vested and expected to vest at September 30, 2020 532  $ 31.57  7.61 $ — 
Exercisable as of September 30, 2020 317  $ 42.26  6.85 $ — 
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,
 
2020(1)
2019(1)
2020 2019
Dividend yield N/A N/A —  — 
Risk-free interest rate N/A N/A 1.58  % 2.12  %
Expected term (in years) N/A N/A 5.6 6
Volatility N/A N/A 102  % 102  %
(1) Black-Scholes option pricing model assumptions are not applicable for the three months ended September 30, 2020 and 2019, as there were no stock options granted during these periods.
Schedule of Unvested Restricted Stock Units Roll Forward RSU activity for the nine months ended September 30, 2020 is summarized below:
  Number of
Shares		 Weighted-
Average Grant
Date Fair Value
Unvested as of December 31, 2019 89  $ 10.77 
Granted 135  4.45 
Vested (16) 8.06 
Forfeited (28) 11.03 
Unvested at September 30, 2020 180  $ 6.21 
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation expense related to options and RSUs granted to employees and non-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,
  2020 2019 2020 2019
Sales and marketing $ 103  $ 137  $ 339  $ 516 
Research and development 49  57  161  175 
General and administrative 365  293  1,112  989 
  $ 517  $ 487  $ 1,612  $ 1,680