Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details)

v3.3.0.814
Stock Based Compensation (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Mar. 31, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Stock-based compensation [Line Items]          
Stock-based compensation expense included in operating expense $ 1,452,000   $ 172,000 $ 2,580,000 $ 1,159,000
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock issued for consultants   $ 32,000      
Directors Employees And Consultants [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock issued for consultants 1,892,000     2,960,000  
Consultants [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock issued for consultants     84,000   291,000
Research and Development [Member]          
Stock-based compensation [Line Items]          
Stock-based compensation expense included in operating expense 142,000   18,000 246,000 113,000
General and Administrative [Member]          
Stock-based compensation [Line Items]          
Stock-based compensation expense included in operating expense $ 1,310,000   $ 154,000 $ 2,334,000 $ 1,046,000
Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options granted (in shares) 0   0 1,815,000 210,000