Annual report pursuant to Section 13 and 15(d)

Note 4 - Stock-based Compensation (Tables)

v3.22.1
Note 4 - Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
   

Year Ended December 31, 2021

 
   

Number of

Options

   

Weighted

Average

Exercise

Price

 

Weighted

Average

Remaining

Contractual

Life (in years)

 

Aggregate

Intrinsic

Value

 

Outstanding, January 1, 2021

    549,970     $ 8.81            

Granted

    459,500       1.94            

Exercised

    (4,000

)

    1.06            

Canceled and forfeited

    (83,590

)

    4.70            

Expired

    (2,090

)

    61.75            

Outstanding, December 31, 2021

    919,790     $ 5.67  

6.5

  $  

Exercisable, December 31, 2021

    549,024     $ 8.40  

4.6

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

Year Ended

December 31, 2021

 
   

Number of

Shares

   

Weighted

Average

Grant-Date

Fair Value

 

Unvested, January 1, 2021

    60,000     $ 2.90  

Granted

    105,000       1.48  

Vested

    (70,000

)

    2.81  

Unvested, December 31, 2021

    95,000     $ 1.40