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]  
Summary of employee and nonemployee stock option activity
A summary of employee and non-employee stock option activity for the six months ended June 30, 2020 for both continuing and discontinuing employees is as follows:
  Options Outstanding Weighted-
Average
Remaining
Contractual
Term (in years)
Aggregate
Intrinsic
Value
(in thousands)
  Number of
Shares
(in thousands)
Weighted-
Average
Exercise
Price
Outstanding January 1, 2020 64    $ 113.63    7.48 $ 24   
Granted 20    5.53   
Cancelled or expired (12)   90.93   
Outstanding June 30, 2020 72    $ 87.50    7.71 $ —   
Exercisable June 30, 2020 53    $ 115.12    7.24 $ —   
Weighted-average assumptions used to estimate fair value of options granted
The following table presents the weighted-average assumptions used to estimate the fair value of options granted to continuing and discontinuing employees during the periods presented:
  Six Months Ended June 30,
  2020 2019
Volatility 110.43  % 90.15  %
Risk free interest rate 1.68  % 2.54  %
Dividend yield 0.00  % 0.00  %
Term (years) 5.27 6.32
Weighted-average fair value of options granted during the period $ 4.45    $ 10.07   
Summary of the effects of stock-based compensation related to stock option and restricted stock awards The following table presents the effects of stock-based compensation related to stock option and restricted stock awards to employees and non-employees on the Company's continuing operations included in its Unaudited Condensed Consolidated Statements of Operations and Other Comprehensive Loss during the periods presented (in thousands):
  Three Months Ended June 30, Six Months Ended June 30,
  2020 2019 2020 2019
Cost of revenues $   $   $   $  
General and administrative 52    63    106    178   
Total stock-based compensation related to continuing operations $ 55    $ 67    $ 113    $ 186