Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.10.0.1
Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2018
Stockholders' Equity Note [Abstract]  
Nonvested Restricted Stock Shares Activity [Table Text Block] The following table summarizes restricted stock award activity for the nine months ended September 30, 2018:
 
 
 
Number of Units
 
 
Weighted Average
 Grant Date Fair
Value
 
Nonvested at December 31, 2017
 
 
2,611,116
 
 
$
3.89
 
Granted
 
 
566,240
 
 
 
3.85
 
Vested
 
 
(220,938
)
 
 
0.26
 
Nonvested at September 30, 2018
 
 
2,956,418
 
 
$
4.15
 
Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes stock option award activity for the nine months ended September 30, 2018:
 
 
 
Stock Options
 
 
Weighted Average
 Exercise Price
 
 
Weighted Average
 Remaining
Contractual Life 
(in years)
 
Outstanding as of December 31, 2017
 
 
60,000
 
 
$
5.43
 
 
 
9.09
 
Granted
 
 
-
 
 
 
-
 
 
 
 
 
Outstanding as of September 30, 2018
 
 
60,000
 
 
$
5.43
 
 
 
8.34
 
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
A summary of warrant activities for the nine months ended September 30, 2018 is presented below:
 
 
 
Warrants
 
 
Weighted Average
 Exercise Price
 
 
Weighted Average
 Remaining
Contractual Life 
(in years)
 
Outstanding as of December 31, 2017
 
 
4,326,555
 
 
$
6.62
 
 
 
3.67
 
Exercised
 
 
(15,667
)
 
 
-
 
 
 
 
 
Outstanding as of September 30, 2018
 
 
4,310,888
 
 
$
6.65
 
 
 
2.61
 
Share-based Compensation, Activity [Table Text Block]
The following table summarizes stock-based compensation expense for the three and nine months ended September 30, 2018 and 2017 (in thousands):
 
 
 
For the three months ended September 30,
 
 
For the nine months ended September 30,
 
 
 
2018
 
 
2017
 
 
2018
 
 
2017
 
Research and development
 
$
642
 
 
$
446
 
 
$
930
 
 
$
2,798
 
General and administrative
 
 
485
 
 
 
464
 
 
 
1,406
 
 
 
1,473
 
Total stock-based compensation expense
 
$
1,127
 
 
$
910
 
 
$
2,336
 
 
$
4,271