Quarterly report pursuant to Section 13 or 15(d)

Note 14 - Share-based Compensation (Tables)

v3.19.3
Note 14 - Share-based Compensation (Tables)
9 Months Ended
Sep. 30, 2019
Notes Tables  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   
Three Months Ended
September 30
   
Nine M
onths
Ended
September 30
 
   
2019
   
2018
   
2019
   
2018
 
Research and development
  $
151
    $
26
    $
276
    $
129
 
General and administrative
   
300
     
84
     
487
     
426
 
Total share-based compensation
  $
451
    $
110
    $
763
    $
555
 
Share-based Payment Arrangement, Option, Activity [Table Text Block]
   
Shares
Underlying
Options
Outstanding
   
Weighted
Average Exercise
Price Per Share
   
Aggregate
Intrinsic Value
 
Balances at December 31, 2018
   
639,359
    $
5.95
    $
 
Granted
   
675,825
     
4.56
     
 
 
Exercised
   
(50,000
)    
1.50
     
 
 
Expired/cancelled
   
(7,186
)    
5.37
     
 
 
Forfeited
   
(6,105
)    
6.03
     
 
 
Balances at September 30, 2019
   
1,251,893
    $
5.38
    $
 
Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block]
       
Outstanding, Vested and Expected to Vest
   
Options Vested and Exercisable
 
Per Share Exercise Price
 
Shares
   
Weighted Average
Remaining
Contractual Life
(Years)
   
Weighted Average
Exercise Price
   
Options
Exercisable
   
Weighted Average
Remaining
Contractual Life
(Years)
 
                                             
$2.00
 -
$2.99
   
132,900
     
6.2
    $
2.29
     
132,067
     
6.2
 
$3.00
 -
$3.99
   
122,905
     
7.2
     
3.91
     
115,093
     
7.2
 
$4.00
 -
$4.99
   
764,971
     
9.5
     
4.60
     
161,193
     
8.9
 
$7.00
 -
$26.00
   
231,117
     
7.4
     
10.51
     
125,067
     
6.4
 
 
 
 
   
1,251,893
     
8.5
    $
5.38
     
533,420
     
7.3