Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.8.0.1
Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2018
Stockholders' Equity Note [Abstract]  
Nonvested Restricted Stock Shares Activity [Table Text Block]
The following table summarizes restricted stock award activity for the three months ended March 31, 2018:
 
 
 
Number of Units
 
Weighted Average
Grant Date Fair
Value
 
Nonvested at December 31, 2017
 
 
2,611,116
 
$
3.89
 
Granted
 
 
475,000
 
 
4.00
 
Vested
 
 
(70,313)
 
 
0.06
 
Nonvested at March 31, 2018
 
 
3,015,803
 
$
4.00
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes stock option award activity for the three months ended March 31, 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 March 31, 2018
 
 
60,000
 
$
5.43
 
 
8.84
 
 
 
 
 
 
 
 
 
 
 
 
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
A summary of warrant activities for the three months ended March 31, 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
 
 
(13,573)
 
 
-
 
 
 
 
Outstanding as of March 31, 2018
 
 
4,312,982
 
$
6.64
 
 
3.11
 
 
 
 
 
 
 
 
 
 
 
 
Schedule of Share-based Compensation, Activity [Table Text Block]
The following table summarizes stock-based compensation expense for the three months ended March 30, 2018 and 2017 (in thousands).
 
 
 
For the three months ended March 31,
 
 
 
2018
 
2017
 
Research and development
 
$
680
 
$
406
 
General and administrative
 
 
457
 
 
573
 
Total stock-based compensation expense
 
$
1,137
 
$
979