Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

v3.8.0.1
Stock-based Compensation (Tables)
 9 Months Ended
Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes information about the Company’s stock options outstanding at September 30, 2017, and activity during the nine months then ended:
 
 
 
 
 
 
 
Weighted-
 
 
 
 
 
 
 
 
 
Average
 
 
 
 
 
 
 
Weighted-
 
Remaining
 
Aggregate
 
 
 
Stock
 
Average
 
Contractual
 
Intrinsic
 
 
 
Awards
 
Exercise Price
 
Life (Years)
 
Value
 
Balance as of December 31, 2016
 
 
2,477
 
$
6.50
 
 
 
 
 
 
 
Options granted
 
 
835
 
$
2.00
 
 
 
 
 
 
 
Options exercised
 
 
(73)
 
$
0.58
 
 
 
 
 
 
 
Options forfeited
 
 
(162)
 
$
6.79
 
 
 
 
 
 
 
Options cancelled
 
 
(105)
 
$
6.63
 
 
 
 
 
 
 
Balance as of September 30, 2017
 
 
2,972
 
$
5.36
 
 
7.57
 
$
33
 
Vested and expected to vest at September 30, 2017
 
 
2,972
 
$
5.36
 
 
7.57
 
$
33
 
Exercisable as of September 30, 2017
 
 
1,515
 
$
6.35
 
 
5.99
 
$
30
 
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 option pricing model using the following assumptions:
 
 
 
Three months ended September 30,
 
 
Nine months ended September 30,
 
 
 
2017
 
 
2016
 
 
2017
 
 
2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Dividend yield
 
 
—
 
 
 
—
 
 
 
—
 
 
 
—
 
Risk-free interest rate
 
 
1.83% - 1.94
%
 
 
1.25% - 1.26
%
 
 
1.83% - 2.29
%
 
 
1.24% - 1.78
%
Expected term (in years)
 
 
5-6
 
 
 
6
 
 
 
5 - 9
 
 
 
5-10
 
Volatility
 
 
87
%
 
 
80
%
 
 
82
%
 
 
79
%
Schedule of Unvested Restricted Stock Units Roll Forward
RSU activity for the nine months ended September 30, 2017 is summarized below:
 
 
 
 
 
Weighted-
 
 
 
 
 
Average Grant
 
 
 
Number of Shares
 
Date Fair Value
 
Unvested as of January 1, 2017
 
 
-
 
 
 
 
Granted
 
 
724
 
$
1.64
 
Vested
 
 
115
 
$
1.59
 
Forfeited
 
 
-
 
 
 
 
Unvested at September 30, 2017
 
 
609
 
 
 
 
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,
 
 
 
2017
 
2016
 
2017
 
2016
 
Sales and marketing
 
$
187
 
$
103
 
$
365
 
$
541
 
Research and development
 
 
103
 
 
127
 
 
287
 
 
499
 
General and administrative
 
 
360
 
 
221
 
 
917
 
 
1,512
 
Restructuring charges
 
 
-
 
 
-
 
 
186
 
 
-
 
 
 
$
650
 
$
451
 
$
1,755
 
$
2,552