Current report filing

Note 8 - Stock-based Compensation (Tables)

v3.19.1
Note 8 - Stock-based Compensation (Tables)
 9 Months Ended
Sep. 30, 2018
Notes Tables  
Share-based Compensation, Stock Options, Activity [Table Text Block]
Option numbers are in (000’s)                
        Nine months ended
September 30, 2018		   Weighted
average		   Aggregate
    Options   Weighted average
exercise price		   remaining
contractual
life (years)		   Intrinsic
Value
                 
Outstanding, beginning of period    
2,344
     $
3.46
      
 
      
 
  
Granted    
2,284
      
2.99
      
 
      
 
  
Exercised    
(96
 )    
2.28
      
 
      
 
  
Expired    
(10
 )    
4.97
      
 
      
 
  
Forfeited    
(51
 )    
2.34
      
 
      
 
  
Outstanding, end of the period    
4,471
      
3.21
      
8.1
     $
1,062,944
  
Exercisable, end of the period    
2,559
      
3.54
      
7.4
      
533,409
  
Vested and expected to vest, end of the period    
4,183
      
3.24
      
8.0
      
983,514
  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
     
Nine months ended
September 30, 2018
      
Nine months ended
September 30, 2017
  
                 
Risk-free interest rate    
2.43
 %    
1.27
 %
Expected dividend yield    
-
      
-
  
Expected volatility    
93.4
 %    
98.4
 %
Expected life of options (in years)    
5
      
5
  
Grant date fair value   $
2.23
     $
0.84
  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
    Nine months ended,
September 30, 2018		   Nine months ended,
September 30, 2017
      Number
(in thousands)		      
Weighted
average grant
date fair value
       Number
(in thousands)		      
Weighted
average grant
date fair value
  
Outstanding, beginning of period    
-
     $
-
      
-
     $
-
  
Granted    
150
      
3.35
      
150
      
1.14
  
Redeemed    
-
      
-
      
(150
 )    
1.14
  
Outstanding, end of period    
150
     $
3.35
      
-
     $
-
  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
    Three months ended
September 30,		   Nine months ended
September 30,
      2018       2017       2018       2017  
                                 
Research and development   $
644
     $
43
     $
826
     $
172
  
General and administrative    
307
      
112
      
2,869
      
494
  
    $
952
     $
155
     $
3,695
     $
666