Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

v3.8.0.1
STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
The following table summarizes amounts charged to expense for stock-based compensation related to employee and director stock grants and stock option grants and recorded in connection with stock options granted to non-employee consultants:
 
 
 
Three Months Ended
 
Nine Months Ended
 
 
 
September 30,
 
September 30,
 
 
 
2017
 
2016
 
2017
 
2016
 
 
 
 
 
 
 
 
 
 
 
Employee and director stock and stock option grants:
 
 
 
 
 
 
 
 
 
 
 
 
 
Research and development
 
$
46,059
 
$
22,281
 
$
102,780
 
$
46,651
 
General and administrative
 
 
130,265
 
 
151,965
 
 
470,305
 
 
350,819
 
 
 
 
176,324
 
 
174,246
 
 
573,084
 
 
397,470
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Non-employee consultant stock option grants:
 
 
 
 
 
 
 
 
 
 
 
 
 
Research and development
 
 
 
 
 
 
 
 
(338)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total stock-based compensation
 
$
176,324
 
$
174,246
 
$
573,084
 
$
397,132
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of stock option activity is as follows:
 
 
 
 
 
 
 
Weighted
 
 
 
 
 
Number of
 
 
 
Average
 
 
 
 
 
Shares Issuable
 
Weighted
 
Remaining
 
 
 
 
 
Upon Exercise
 
Average
 
Contracted
 
Aggregate
 
 
 
of Outstanding
 
Exercise
 
Term in
 
Intrinsic
 
 
 
Options
 
Price
 
Years
 
Value
 
Outstanding at December 31, 2016
 
 
471,433
 
$
7.59
 
 
 
 
 
 
 
Granted
 
 
112,300
 
$
1.91
 
 
 
 
 
 
 
Expired
 
 
(4)
 
$
21,420
 
 
 
 
 
 
 
Forfeited
 
 
(29,167)
 
$
1.48
 
 
 
 
 
 
 
Outstanding at September 30, 2017
 
 
554,562
 
$
6.60
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Vested, September 30, 2017
 
 
246,734
 
$
10.54
 
 
7.69
 
$
21,880
 
Unvested, September 30, 2017
 
 
307,828
 
$
3.45
 
 
8.95
 
$
25,094
 
Exercisable at September 30, 2017
 
 
246,734
 
$
10.54
 
 
7.69
 
$
21,880