Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plan (Tables)

v3.4.0.3
Equity Incentive Plan (Tables)
3 Months Ended
Mar. 31, 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 for the three months ended March 31, 2015 and 2016:
 
 
 
Number of Options
 
Weighted- Average
Exercise Price
 
Weighted-Average
Contractual Life 
(In Years)
 
Three months ended March 31, 2015
 
 
 
 
 
 
 
 
 
 
Outstanding at beginning of year
 
 
752,372
 
$
0.91
 
 
4.55
 
Granted
 
 
435,393
 
 
5.80
 
 
9.88
 
Exercised
 
 
(23,075)
 
$
0.65
 
 
 
 
Expired
 
 
(8,600)
 
$
0.65
 
 
 
 
Outstanding at end of period
 
 
1,156,090
 
$
2.69
 
 
5.05
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at end of period
 
 
827,529
 
$
2.46
 
 
6.87
 
 
 
 
 
 
 
 
 
 
 
 
Vested and expected to vest at end of period
 
 
827,529
 
$
2.46
 
 
6.87
 
   
 
 
Number of Options
 
Weighted- Average
Exercise Price
 
Weighted-Average
Contractual Life
(In Years)
 
Three months ended March 31, 2016
 
 
 
 
 
 
 
 
 
 
Outstanding at beginning of year
 
 
1,277,367
 
$
2.75
 
 
4.94
 
Granted
 
 
210,525
 
 
2.91
 
 
9.91
 
Exercised
 
 
-
 
$
-
 
 
 
 
Expired
 
 
-
 
$
-
 
 
 
 
Outstanding at end of period
 
 
1,487,892
 
$
2.80
 
 
5.48
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at end of period
 
 
975,881
 
$
2.68
 
 
5.51
 
 
 
 
 
 
 
 
 
 
 
 
Vested and expected to vest at end of period
 
 
975,881
 
$
2.68
 
 
5.51
 
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: 
 
 
 
Three Months Ended
 
 
 
March 31,
 
 
 
2016
 
2015
 
Research and development
 
$
18,459
 
$
174,586
 
General and administrative
 
 
94,901
 
 
309,954
 
 
 
$
113,360
 
$
484,540