Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plan (Tables)

v3.5.0.2
Equity Incentive Plan (Tables)
9 Months Ended
Sep. 30, 2016
Share Based Compensation Option And Incentive Plan [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following is a summary of stock option activity under the 2005 Plan, the 2014 Plan and the ESPP for the nine months ended September 30, 2016 and 2015:
 
 
 
 
 
 
 
Weighted-Average
 
 
 
 
 
Weighted-Average
 
Contractual Life
 
 
 
Number of Options
 
Exercise Price
 
(In Years)
 
Nine Months Ended September 30, 2015
 
 
 
 
 
 
 
 
 
 
Outstanding at Beginning of Year
 
 
752,372
 
$
0.91
 
 
4.55
 
Granted
 
 
535,393
 
 
4.14
 
 
9.38
 
Exercised
 
 
(24,155)
 
 
0.65
 
 
 
 
Expired
 
 
(8,600)
 
 
0.65
 
 
 
 
Outstanding at End of Period
 
 
1,255,010
 
$
2.76
 
 
5.00
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at End of Period
 
 
870,810
 
$
2.89
 
 
5.27
 
 
 
 
 
 
 
 
 
 
 
 
Vested and Expected to Vest at End of Period
 
 
870,810
 
$
2.89
 
 
5.27
 
 
 
 
 
 
 
 
Weighted-Average
 
 
 
 
 
Weighted-Average
 
Contractual Life
 
 
 
Number of Options
 
Exercise Price
 
(In Years)
 
Nine Months Ended September 30, 2016
 
 
 
 
 
 
 
 
 
 
Outstanding at Beginning of Year
 
 
1,277,367
 
$
2.75
 
 
4.94
 
Granted
 
 
355,071
 
 
2.81
 
 
9.50
 
Exercised
 
 
(86,765)
 
 
0.65
 
 
 
 
Forfeited
 
 
(12,362)
 
 
3.93
 
 
 
 
Outstanding at End of Period
 
 
1,533,311
 
$
2.91
 
 
6.44
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at End of Period
 
 
907,445
 
$
2.84
 
 
4.09
 
 
 
 
 
 
 
 
 
 
 
 
Vested and Expected to Vest at End of Period
 
 
1,533,311
 
$
2.91
 
 
6.44
 
Employee and Non Employee Service Share Based Compensation Allocation off Recognized Period Costs [Table Text Block]
The total stock-based compensation expense for employees and non-employees is included in the accompanying Condensed Consolidated Statements of Operations and as follows:
 
 
 
Nine Months Ended
 
 
 
September 30,
 
 
 
2016
 
2015
 
Research and Development
 
$
35,692
 
$
189,625
 
General and Administrative
 
 
354,777
 
 
955,231
 
 
 
$
390,469
 
$
1,144,856