Annual report pursuant to Section 13 and 15(d)

Note 12 - Stock-based Compensation (Tables)

v3.21.1
Note 12 - Stock-based Compensation (Tables)
 12 Months Ended
Dec. 31, 2020
Notes Tables  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
Option numbers are in (000's)                
            Weighted average   Aggregate
    Options   Weighted average
exercise price		   remaining contractual
life (years)		   Intrinsic
Value
                 
Outstanding, December 31, 2018    
4,489
      
3.11
      
 
      
 
  
Granted    
2,160
      
2.00
      
 
      
 
  
Exercised    
(312
 )    
2.32
      
 
      
 
  
Expired    
(67
 )    
4.61
      
 
      
 
  
Forfeited    
(329
 )    
2.36
      
 
      
 
  
Outstanding, December 31, 2019    
5,941
     $
2.84
      
 
      
 
  
Granted    
6,362
      
6.81
      
 
      
 
  
Exercised    
(235
 )    
2.45
      
 
      
 
  
Forfeited    
(126
 )    
4.50
      
 
      
 
  
Outstanding, December 31, 2020    
11,942
      
4.97
      
7.9
     $
9,142,263
  
Exercisable, December 31, 2020    
4,363
      
3.06
      
6.2
     $
6,470,708
  
Vested and expected to vest, December 31, 2020
    
10,804
      
4.86
      
7.8
     $
8,741,530
  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
     
Year ended
December 31, 2020
      
Year ended
December 31, 2019
  
                 
Risk-free interest rate    
1.27
 %    
2.18
 %
Expected dividend yield    
-
      
-
  
Expected volatility    
85.9
 %    
83.9
 %
Expected life of options (years)    
5
      
5
  
Grant date fair value   $
4.59
     $
1.34
  
Schedule of Share-based Payment Award, Options, Grants in Period [Table Text Block]
Option numbers are in (000's)     Year ended
December 31, 2020		       Year ended
December 31, 2019		  
      Number of options       Number of options  
                 
Cliff vesting after one year anniversary    
300
      
335
  
3 year vesting (50%-25%-25%)    
862
      
160
  
4 year vesting (50%-16 2/3%-16 2/3%-16 2/3%)    
5,200
      
1,665
  
Total stock options granted in the period    
6,362
      
2,160
  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
    Year ended,
December 31, 2020		   Year ended,
December 31, 2019
     
Number
(in thousands)
      
Weighted average grant date fair value
      
Number
(in thousands)
      
Weighted average grant date fair value
  
Outstanding, beginning of year    
40
     $
2.00
      
-
     $
-
  
Granted    
645
      
7.32
      
80
      
2.00
  
Redeemed    
(685
 )    
7.01
      
(40
 )    
2.00
  
Outstanding, end of year    
-
     $
-
      
40
     $
2.00
  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
      Year ended
December 31, 2020		       Year ended
December 31, 2019		  
                 
Research and development   $
3,720
     $
474
  
General and administrative    
17,718
      
1,822
  
Total   $
21,438
     $
2,296