Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stock-based Compensation (Tables)

v3.21.2
Note 4 - Stock-based Compensation (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
   

Six Months Ended June 30, 2021

 
   

Number of

Options

   

Weighted

Average

Exercise

Price

   

Weighted

Average

Remaining

Contractual

Life (Years)

   

Aggregate

Intrinsic

Value

 

Outstanding, January 1, 2021

    549,970     $ 8.81     8.0     $ 209,280  

Granted

    232,000       2.54                

Exercised

    (2,000

)

    1.06                

Cancelled/Forfeited

    (67,600

)

    4.01                

Outstanding, June 30, 2021

    712,370     $ 7.25     7.8     $ 143,695  

Exercisable, June 30, 2021

    186,638     $ 15.64     5.3     $ 52,874  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
   

Six Months Ended

June 30, 2021

 
   

Number of

Shares

   

Weighted

Average

Grant-Date

Fair Value

 

Unvested, January 1, 2021

    60,000     $ 2.90  

Granted

    15,000       2.17  

Vested

    (15,000

)

    1.47  

Unvested, June 30, 2021

    60,000     $ 3.08