Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

v3.4.0.3
Stock-based Compensation (Tables)
 3 Months Ended
Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity
The following table summarizes information about the Company’s stock options outstanding at March 31, 2016, and activity during the three-month period then ended:
 
 
 
 
 
 
 
Weighted-
 
 
 
 
 
 
 
 
 
 
Average
 
 
 
 
 
 
 
 
Weighted-
 
Remaining
 
 
 
 
 
 
 
Average
 
Contractual
 
Aggregate
 
 
 
Stock
 
Exercise
 
Life
 
Intrinsic
 
 
 
Awards
 
Price
 
(Years)
 
Value
 
Balance as of December 31, 2015
 
 
1,963
 
$
7.09
 
 
 
 
 
 
 
Options granted
 
 
145
 
$
5.55
 
 
 
 
 
 
 
Options exercised
 
 
(10)
 
$
2.73
 
 
 
 
 
 
 
Options forfeited
 
 
(110)
 
$
8.41
 
 
 
 
 
 
 
Options cancelled
 
 
(9)
 
$
10.11
 
 
 
 
 
 
 
Balance as of March 31, 2016
 
 
1,979
 
 
6.91
 
 
7.00
 
 
1,522
 
Vested and expected to vest at March 31, 2016
 
 
1,851
 
 
 
 
 
6.85
 
 
1,518
 
Exercisable as of  March 31, 2016
 
 
1,062
 
 
 
 
 
5.23
 
 
1,464
 
Schedule of Fair Value Calculation 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,
 
 
 
2016
 
 
2015
 
 
 
 
 
 
 
 
 
 
Dividend yield
 
 
—
 
 
 
—
 
Risk-free interest rate
 
 
1.24% - 1.78
%
 
 
1.41% - 1.92
%
Expected term (in years)
 
 
5-10
 
 
 
6-10
 
Volatility
 
 
77
%
 
 
73
%
Allocation of Stock Option Compensation Expense
Total stock-based compensation expense related to options granted to employees and non-employees was included in the Condensed Consolidated Statements of Operations as follows:
 
 
 
Three months ended March 31,
 
 
 
2016
 
2015
 
Sales and marketing
 
$
232
 
$
132
 
Research and development
 
 
231
 
 
54
 
General and administrative
 
 
1,111
 
 
163
 
 
 
$
1,574
 
$
349