Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stock-based Compensation (Tables)

v3.22.1
Note 4 - Stock-based Compensation (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Three Months Ended March 31, 2022

 
   

Number of

Options

   

Weighted

Average

Exercise

Price

 

Weighted

Average

Remaining

Contractual

Life (years)

 

Aggregate

Intrinsic

Value

 

Outstanding, January 1, 2022

    919,790     $ 5.67  

6.5

  $  

Granted

    2,500       0.97            

Cancelled/Forfeited

    (27,455

)

    6.29            

Expired

    (6,185

)

    64.17            

Outstanding, March 31, 2022

    888,650     $ 5.23  

6.3

  $  

Exercisable, March 31, 2022

    634,485     $ 6.73  

5.1

  $  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
   

Three Months Ended

March 31, 2022

 
   

Number of

Shares

   

Weighted

Average

Grant-Date

Fair Value

 

Unvested, January 1, 2022

    95,000     $ 1.40  

Vested

    (2,500

)

    2.28  

Unvested, March 31, 2022

    92,500     $ 1.38