Stockholders’ Equity (Deficit) (Tables)
|
9 Months Ended |
Sep. 30, 2015 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
Stock Option Activity |
|
|
|
|
|
|
|
|
Options
|
Outstanding at December 31, 2014
|
|
5,399,320
|
Granted
|
|
2,701,500
|
Exercised
|
|
-
|
Canceled/forfeited/expired
|
|
(2,733,326)
|
Outstanding at September 30, 2015
|
|
5,367,494
|
|
Stock-Based Compensation Expense |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Three Months Ended
|
|
Nine Months Ended
|
|
|
September 30,
|
|
September 30,
|
|
|
2015
|
|
2014
|
|
2015
|
|
2014
|
General and administrative
|
|
$
|
198,106
|
|
$
|
311,047
|
|
$
|
604,709
|
|
$
|
925,383
|
Sales and marketing
|
|
|
77,887
|
|
|
29,258
|
|
|
191,516
|
|
|
116,733
|
Engineering, research, and development
|
|
|
30,789
|
|
|
16,588
|
|
|
75,240
|
|
|
26,852
|
|
|
$
|
306,782
|
|
$
|
356,893
|
|
$
|
871,465
|
|
$
|
1,068,968
|
|
Valuation Assumptions |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Nine Months Ended
|
|
|
September 30,
|
|
|
2015
|
|
2014
|
Risk-free interest rate
|
|
1.58
|
%
|
|
1.97
|
%
|
Expected life (years)
|
|
6.02
|
|
|
6.08
|
|
Expected dividend yield
|
|
-
|
%
|
|
-
|
%
|
Expected volatility
|
|
132.0
|
%
|
|
132.0
|
%
|
|
Restricted Stock Unit Activity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Shares
|
|
Weighted Average Exercise Price
|
|
Weighted Average Remaining Contractual Term (Years)
|
|
Aggregate Intrinsic Value
|
Outstanding at December 31, 2014
|
|
|
591,436
|
|
$
|
-
|
|
|
9.75
|
|
$
|
703,809
|
Granted
|
|
|
82,501
|
|
$
|
-
|
|
|
-
|
|
$
|
-
|
Exercised
|
|
|
(20,000)
|
|
$
|
-
|
|
|
-
|
|
$
|
-
|
Canceled/forfeited/expired
|
|
|
-
|
|
$
|
-
|
|
|
-
|
|
$
|
-
|
Outstanding at September 30, 2015
|
|
|
653,937
|
|
$
|
-
|
|
|
9.03
|
|
$
|
366,205
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Expected to vest at September 30, 2015
|
|
|
630,055
|
|
$
|
-
|
|
|
8.73
|
|
$
|
352,831
|
Exercisable at September 30, 2015
|
|
|
564,732
|
|
$
|
-
|
|
|
9.01
|
|
$
|
316,250
|
Unvested at September 30, 2015
|
|
|
89,205
|
|
$
|
-
|
|
|
9.17
|
|
$
|
49,955
|
Unrecognized expense at September 30, 2015
|
|
$
|
122,559
|
|
|
|
|
|
|
|
|
|
|
Summary Of Non-Employee Warrant Activity |
|
|
|
|
|
|
|
|
Number Outstanding
|
Outstanding at December 31, 2014
|
|
150,001
|
Granted
|
|
-
|
Exercised
|
|
-
|
Canceled/forfeited/expired
|
|
-
|
Outstanding at September 30, 2015
|
|
150,001
|
|
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,
|
|
|
2015
|
|
2014
|
|
2015
|
|
2014
|
General and administrative
|
|
$
|
145,403
|
|
$
|
-
|
|
$
|
347,184
|
|
$
|
-
|
|
|
$
|
145,403
|
|
$
|
-
|
|
$
|
347,184
|
|
$
|
-
|
|