Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.7.0.1
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2017
Stockholders' Equity Note [Abstract]  
Nonvested Restricted Stock Shares Activity [Table Text Block]
The following table summarizes restricted stock award activity for the six months ended June 30, 2017.
 
 
 
 
 
Weighted Average
 
 
 
 
 
Grant Date Fair
 
 
 
Number of Units
 
Value
 
Nonvested at December 31, 2016
 
 
2,533,063
 
$
2.93
 
Granted
 
 
110,000
 
 
5.43
 
Vested
 
 
(140,625)
 
 
0.07
 
Nonvested at June 30, 2017
 
 
2,502,438
 
$
3.20
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes stock option award activity for the six months ended June 30, 2017:
 
 
 
 
 
 
 
Weighted Average
 
 
 
 
 
 
 
Remaining
 
 
 
 
 
Weighted Average
 
Contractual Life
 
 
 
Stock Options
 
Exercise Price
 
(in years)
 
Outstanding as of December 31, 2016
 
 
60,000
 
$
5.43
 
 
9.96
 
Granted
 
 
-
 
 
-
 
 
 
 
Outstanding as of June 30, 2017
 
 
60,000
 
$
5.43
 
 
9.59
 
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
A summary of warrant activities for the six months ended June 30, 2017 is presented below:
 
 
 
 
 
 
 
Weighted Average
 
 
 
 
 
 
 
Remaining
 
 
 
 
 
Weighted Average
 
Contractual Life
 
 
 
Warrants
 
Exercise Price
 
(in years)
 
Outstanding as of December 31, 2016
 
 
4,331,106
 
$
6.62
 
 
4.67
 
Granted
 
 
-
 
 
-
 
 
 
 
Outstanding as of June 30, 2017
 
 
4,331,106
 
$
6.62
 
 
4.17
 
Schedule of Share-based Compensation, Activity [Table Text Block]
The following table summarizes stock-based compensation expense for the three and six months ended June 30, 2017 and 2016 (in thousands).
 
 
 
For the three months ended June 30,
 
For the six months ended June 30,
 
 
 
2017
 
2016
 
2017
 
2016
 
Research and development
 
$
1,946
 
$
457
 
$
2,352
 
$
1,225
 
General and administrative
 
 
436
 
 
346
 
 
1,009
 
 
666
 
Total stock-based compensation expense
 
$
2,382
 
$
803
 
$
3,361
 
$
1,891