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Stock Based Compensation and Restricted Stock Compensation (Tables)
3 Months Ended
Mar. 31, 2016
Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]  
Summarization of stock-based compensation

The following table summarizes stock-based compensation for the three months ended March 31, 2016 and 2015:

 

  

Three months ended

March 31,

 
  2016  2015 
Research and development $341,000  $18,000 
General and administrative  1,251,000   206,000 
Stock-based compensation expense
included in operating expense
 $1,592,000  $224,000 

 

Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]  
Summarization of stock-based compensation

The following table summarizes restricted stock compensation expense for the three months ended March 31, 2016 and 2015:

 

  

Three months ended

March 31,

 
  2016  2015 
Research and development $62,000  $- 
General and administrative  1,830,000   - 
Stock-based compensation expense
included in operating expense
 $1,892,000  $-