Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

v3.8.0.1
Stock-based Compensation (Tables)
 3 Months Ended
Mar. 31, 2018
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 March 31, 2018, and activity during the three months then ended:
 
 
 
 
 
 
 
 
 
Weighted-
 
 
 
 
 
 
 
 
 
 
 
 
Average
 
 
 
 
 
 
 
 
 
Weighted-
 
Remaining
 
Aggregate
 
 
 
Stock
 
Average
 
Contractual
 
Intrinsic
 
 
 
Awards
 
Exercise Price
 
Life (Years)
 
Value
 
Balance as of December 31, 2017
 
 
3,156
 
$
4.96
 
 
 
 
 
 
 
Options granted
 
 
38
 
$
1.83
 
 
 
 
 
 
 
Options exercised
 
 
-
 
$
-
 
 
 
 
 
 
 
Options forfeited
 
 
(289)
 
$
5.19
 
 
 
 
 
 
 
Options cancelled
 
 
(7)
 
$
4.45
 
 
 
 
 
 
 
Balance as of March 31, 2018
 
 
2,898
 
$
4.89
 
 
6.90
 
$
297
 
Vested and expected to vest at March 31, 2018
 
 
2,898
 
$
4.89
 
 
6.90
 
$
297
 
Exercisable as of March 31, 2018
 
 
1,851
 
$
6.10
 
 
5.66
 
$
50
 
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 March 31,
 
 
 
2018
 
2017
 
 
 
 
 
 
 
 
 
Dividend yield
 
 
—
 
 
—
 
Risk-free interest rate
 
 
2.74
%
 
2.05% - 2.40
%
Expected term (in years)
 
 
10
 
 
6-10
 
Volatility
 
 
88
%
 
80%-82
%
Schedule of Unvested Restricted Stock Units Roll Forward
RSU activity for the three months ended March 31, 2018 is summarized below:
 
 
 
Number of Shares
 
Weighted- Average Grant Date Fair Value
 
Unvested as of January 1, 2018
 
 
617
 
$
1.65
 
Granted
 
 
35
 
$
1.73
 
Vested
 
 
(466)
 
$
1.32
 
Forfeited
 
 
(61)
 
$
2.85
 
Unvested at March 31, 2018
 
 
125
 
$
2.27
 
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 March 31,
 
 
 
2018
 
2017
 
Sales and marketing
 
$
109
 
$
20
 
Research and development
 
 
179
 
 
101
 
General and administrative
 
 
604
 
 
273
 
 
 
$
892
 
$
394