Stockholders’ Equity (Tables)
|
9 Months Ended |
Sep. 30, 2016 |
|---|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Stock Option Activity |
|
|
|
|
|
|
|
|
|
|
|
Options
|
|
Outstanding at December 31, 2014
|
|
5,382,923
|
|
Granted
|
|
3,348,000
|
|
Exercised
|
|
-
|
|
Canceled/forfeited/expired
|
|
(3,687,695)
|
|
Outstanding at December 31, 2015
|
|
5,043,228
|
|
Granted
|
|
1,621,500
|
|
Exercised
|
|
-
|
|
Canceled/forfeited/expired
|
|
(842,051)
|
|
Outstanding at September 30, 2016
|
|
5,822,677
|
|
|
|
|
|
| Stock-Based Compensation Expense |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Three Months Ended
|
|
Nine Months Ended
|
|
|
|
September 30,
|
|
September 30,
|
|
|
|
2016
|
|
2015
|
|
2016
|
|
2015
|
|
General and administrative
|
|
$
|
234,069
|
|
$
|
198,106
|
|
$
|
720,058
|
|
$
|
604,709
|
|
Sales and marketing
|
|
|
87,646
|
|
|
77,887
|
|
|
259,647
|
|
|
191,516
|
|
Engineering, research, and development
|
|
|
37,371
|
|
|
30,789
|
|
|
120,986
|
|
|
75,240
|
|
|
|
$
|
359,086
|
|
$
|
306,782
|
|
$
|
1,100,691
|
|
$
|
871,465
|
|
| Valuation Assumptions |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Nine Months Ended
|
|
|
|
September 30,
|
|
|
|
2016
|
|
2015
|
|
Risk-free interest rate
|
|
1.42
|
%
|
|
1.58
|
%
|
|
Expected life (years)
|
|
6.00
|
|
|
6.02
|
|
|
Expected dividend yield
|
|
-
|
%
|
|
-
|
%
|
|
Expected volatility
|
|
114
|
%
|
|
132
|
%
|
|
| Restricted Stock Unit Activity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Shares
|
|
Weighted Average
Grant Date Fair Value
|
|
Weighted Average
Remaining
Contractual Term
(Years)
|
|
Aggregate
Intrinsic Value
|
|
Outstanding at December 31, 2014
|
|
|
591,436
|
|
$
|
0.75
|
|
|
0.89
|
|
$
|
305,572
|
|
Awarded
|
|
|
82,501
|
|
$
|
0.29
|
|
|
-
|
|
$
|
-
|
|
Released
|
|
|
(20,000)
|
|
$
|
1.18
|
|
|
-
|
|
$
|
-
|
|
Canceled/forfeited/expired
|
|
|
-
|
|
$
|
-
|
|
|
-
|
|
$
|
-
|
|
Outstanding at December 31, 2015
|
|
|
653,937
|
|
$
|
0.32
|
|
|
0.08
|
|
$
|
339,570
|
|
Awarded
|
|
|
224,405
|
|
$
|
0.72
|
|
|
-
|
|
$
|
-
|
|
Released
|
|
|
-
|
|
$
|
-
|
|
|
-
|
|
$
|
-
|
|
Canceled/forfeited/expired
|
|
|
-
|
|
$
|
-
|
|
|
-
|
|
$
|
-
|
|
Outstanding at September 30, 2016
|
|
|
878,342
|
|
$
|
0.42
|
|
|
-
|
|
$
|
790,508
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Expected to vest at September 30, 2016
|
|
|
878,342
|
|
$
|
-
|
|
|
-
|
|
$
|
790,508
|
|
Exercisable at September 30, 2016
|
|
|
741,062
|
|
$
|
-
|
|
|
-
|
|
$
|
666,956
|
|
Unvested at September 30, 2016
|
|
|
167,010
|
|
$
|
-
|
|
|
-
|
|
$
|
150,309
|
|
Unrecognized expense at September 30, 2016
|
|
$
|
113,444
|
|
|
|
|
|
|
|
|
|
|
| Summary Of Non-Employee Warrant Activity |
|
|
|
|
|
|
|
|
|
|
|
Number
Outstanding
|
|
Outstanding at December 31, 2015
|
|
33,333
|
|
Granted
|
|
-
|
|
Exercised
|
|
-
|
|
Canceled/forfeited/expired
|
|
(33,333)
|
|
Outstanding at September 30, 2016
|
|
-
|
|
| Restricted Stock Units (RSUs) [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Stock-Based Compensation Expense |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Three Months Ended
|
|
Nine Months Ended
|
|
|
|
September 30,
|
|
September 30,
|
|
|
|
2016
|
|
2015
|
|
2016
|
|
2015
|
|
General and administrative
|
|
$
|
28,970
|
|
$
|
145,403
|
|
$
|
86,558
|
|
$
|
347,184
|
|
|
|
$
|
28,970
|
|
$
|
145,403
|
|
$
|
86,558
|
|
$
|
347,184
|
|