Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

v3.20.2
Stock-based Compensation (Tables)
6 Months Ended
Jun. 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 June 30, 2020, and activity during the six 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 (5)   53.09   
Balance as of June 30, 2020 555    $ 31.90    7.81 $ 246   
Vested and expected to vest at June 30, 2020 555    $ 31.90    7.81 $ 246   
Exercisable as of June 30, 2020 311    $ 44.31    6.92 $ 126   
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 June 30, Six Months Ended June 30,
  2020 2019 2020 2019
Dividend yield —    —    —    —   
Risk-free interest rate
N/A(1)
2.09  % 1.58  % 2.12  %
Expected term (in years)
N/A(1)
6 5.6 6
Volatility
N/A(1)
102  % 102  % 102  %
(1) Black-Scholes option pricing model assumptions are not applicable for the three months ended June 30, 2020, as there were no stock options granted during this period.
Schedule of Unvested Restricted Stock Units Roll Forward
RSU activity for the six months ended June 30, 2020 is summarized below:
  Number of
Shares
Weighted-
Average Grant
Date Fair Value
Unvested as of December 31, 2019 89    $ 10.77   
Granted 98    3.43   
Vested (12)   5.74   
Forfeited (28)   11.03   
Unvested at June 30, 2020 147    $ 6.20   
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 June 30, Six Months Ended June 30,
  2020 2019 2020 2019
Sales and marketing $ 98    $ 156    $ 236    $ 379   
Research and development 40    73    113    118   
General and administrative 370    328    746    696   
  $ 508    $ 557    $ 1,095    $ 1,193