Annual report pursuant to Section 13 and 15(d)

Note 6 - Stock-based Compensation (Tables)

v3.20.1
Note 6 - Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
   
Year Ended December 31, 201
9
 
   
Number of
Options
   
Weighted
Average
Exercise
Price
   
Weighted
Average
Remaining
Contractual
Life (in years)
   
Aggregate
Intrinsic
Value
 
Outstanding, January 1, 2019
   
157,915
    $
24.82
     
 
     
 
 
Granted
   
95,250
     
5.89
     
 
     
 
 
Canceled and forfeited
   
(5,304
)
   
8.94
     
 
     
 
 
Expired
   
(9,391
)
   
30.87
     
 
     
 
 
Outstanding, December 31, 2019
   
238,470
    $
17.38
     
7.2
    $
 
Exercisable, December 31, 2019
   
84,807
    $
31.77
     
5.0
    $
 
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
   
Year Ended
December 31, 201
9
 
   
Number of
Shares
   
Weighted
Average
Grant-Date
Fair Value
 
Unvested, January 1, 2019
   
5,000
    $
7.42
 
Granted
   
15,000
     
2.75
 
Vested
   
(5,000
)
   
7.42
 
Unvested, December 31, 2019
   
15,000
    $
2.75