Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plan (Tables)

v3.10.0.1
Equity Incentive Plan (Tables)
 9 Months Ended
Sep. 30, 2018
Share Based Compensation Option And Incentive Plan [Abstract]  
Share-based Compensation, Stock Options, Activity [Table Text Block]
The following is a summary of stock option activity for the nine months ended September 30, 2018: 
 
 
 
Number of
Options
 
 
Weighted- Average
Exercise Price
 
 
Weighted-Average
Contractual Life
(In Years)
 
Outstanding at December 31, 2017
 
 
1,893,003
 
 
$
2.49
 
 
 
5.40
 
Granted
 
 
415,500
 
 
 
0.57
 
 
 
9.48
 
Forfeited
 
 
(23,489
)
 
 
1.06
 
 
 
 
 
Expired
 
 
(97,489
)
 
 
0.98
 
 
 
 
 
Outstanding at September 30, 2018
 
 
2,187,525
 
 
$
2.25
 
 
 
6.84
 
Exercisable at September 30, 2018
 
 
1,454,515
 
 
$
2.87
 
 
 
5.70
 
Vested and Expected to Vest at September 30, 2018
 
 
2,187,525
 
 
$
2.25
 
 
 
6.84
 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
For the nine months ended September 30, 2018 and 2017, the fair value of each option grant has been estimated on the date of grant using the Black-Scholes Option Pricing Model with the following weighted-average assumptions:
 
 
 
2018
 
 
2017
 
Risk-Free Interest Rate
 
 
1.82%
 
 
 
1.82%
 
Expected Life
 
 
8.01 years
 
 
 
7.28 years
 
Expected Volatility
 
 
158%
 
 
 
171%
 
Expected Dividend Yield
 
 
0%
 
 
 
0%
 
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
The following is a summary of restricted stock activity for the nine months ended September 30, 2018: 
 
 
 
Number of
Shares
 
 
Weighted- Average
Grant Date Fair Value
 
 
Weighted- Average

Remaining
Recognition Period
 
Outstanding at December 31, 2017
 
 
103,000
 
 
$
1.52
 
 
 
 
 
Awarded
 
 
1,890,000
 
 
 
0.57
 
 
 
 
 
Released
 
 
(54,101
)
 
 
1.52
 
 
 
 
 
Forfeited
 
 
(50,252
)
 
 
0.57
 
 
 
 
 
Outstanding at September 30, 2018
 
 
1,888,647
 
 
$
0.59
 
 
 
2.51
 
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
September 30,
 
 
Nine Months Ended
September 30,
 
 
 
2018
 
 
2017
 
 
2018
 
 
2017
 
Research and Development
 
$
85,106
 
 
$
57,544
 
 
$
192,081
 
 
$
165,538
 
General and Administrative
 
 
244,373
 
 
 
131,148
 
 
 
428,254
 
 
 
535,295
 
 
 
$
329,479
 
 
$
188,692
 
 
$
620,335
 
 
$
700,833