Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

v3.19.1
STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of weighted-average assumptions to estimate the fair value of the options granted
We used the following weighted-average assumptions to estimate the fair value of the options granted for the periods indicated:
 
 
 
For the three months ended March 31,
 
 
 
2019
 
 
2018
 
Expected volatility
 
 
109
%
 
 
109
%
Expected term
 
 
5
years
 
 
 
5
​​​​​​​ years
 
Risk-free interest rate
 
 
2.46
%
 
 
2.37
%
Expected dividend yield
 
 
0
%
 
 
0
%
Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summarization of stock-based compensation
The following table summarizes stock-based option compensation for the three months ended March 31, 2019 and 2018:
 
 
 
For the three months ended March 31,
 
 
 
2019
 
 
2018
 
Research and development
 
$
1,032,000
 
 
$
1,056,000
 
General and administrative
 
 
1,071,000
 
 
 
844,000
 
Stock-based compensation expense included in operating expense
 
 
2,103,000
 
 
 
1,900,000
 
 
 
 
 
 
 
 
 
 
Total stock-based compensation expense
 
 
2,103,000
 
 
 
1,900,000
 
Tax benefit
 
 
-
 
 
 
-
 
Stock-based compensation expense, net of tax
 
$
2,103,000
 
 
$
1,900,000
 
Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summarization of stock-based compensation
The following table summarizes restricted common stock compensation expense for the three months ended March 31, 2019 and 2018:
 
 
 
For the three months ended March 31,
 
 
 
2019
 
 
2018
 
Research and development
 
$
-
 
 
$
-
 
General and administrative
 
 
172,000
 
 
 
172,000
 
Stock-based compensation expense included in operating expense
 
 
172,000
 
 
 
172,000
 
 
 
 
 
 
 
 
 
 
Total stock-based compensation expense
 
 
172,000
 
 
 
172,000
 
Tax benefit
 
 
-
 
 
 
-
 
Stock-based compensation expense, net of tax
 
$
172,000
 
 
$
172,000