Current report filing

Note 8 - Stock-based Compensation (Tables)

v3.19.1
Note 8 - Stock-based Compensation (Tables)
 6 Months Ended
Jun. 30, 2018
Notes Tables  
Share-based Compensation, Stock Options, Activity [Table Text Block]
Option numbers are in (000’s)                
        Three months ended
June 30, 2018		   Weighted
average		   Aggregate
      Options     Weighted average
exercise price		   remaining
contractual
life (years)		   Intrinsic
Value
                 
Outstanding, beginning of year    
2,344
     $
3.46
      
 
      
 
  
Granted    
2,084
      
2.96
      
 
      
 
  
Exercised    
(77
 )    
2.31
      
 
      
 
  
Expired    
-
      
-
      
 
      
 
  
Forfeited    
(18
 )    
2.01
      
 
      
 
  
Outstanding, end of the period    
4,333
      
3.16
      
8.2
     $
4,486,981
  
Exercisable, end of the period    
2,561
      
3.51
      
7.5
      
2,180,402
  
Vested and expected to vest, end of the period    
4,067
      
3.20
      
8.2
      
4,140,994
  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
     
Six months ended
June 31, 2018
      
Six months ended
June 30, 2017
  
                 
Risk-free interest rate    
2.39
 %    
1.24
 %
Expected dividend yield    
-
      
-
  
Expected volatility    
93.9
 %    
100.2
 %
Expected life of options (in years)    
5
      
5
  
Grant date fair value   $
2.14
     $
0.81
  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
    Six months ended,
June 30, 2018		   Six months ended,
June 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
      
1.14
  
Redeemed    
-
      
-
      
(150
 )    
1.14
  
Outstanding, end of period    
-
     $
-
      
-
     $
-
  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
    Three months ended
June 30,		   Nine months ended
June 30,
      2018       2017       2018       2017  
                                 
Research and development   $
152
     $
73
     $
518
     $
124
  
General and administrative    
363
      
376
      
2,225
      
386
  
    $
515
     $
449
     $
2,743
     $
510