Annual report pursuant to Section 13 and 15(d)

Note 4 - Stock-based Compensation (Tables)

v3.23.1
Note 4 - Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Year Ended December 31, 2022

 
   

Number of

Options

   

Weighted

Average

Exercise

Price

   

Weighted

Average

Remaining

Contractual

Life

(in years)

   

Aggregate

Intrinsic

Value

 

Outstanding, January 1, 2022

    919,790     $ 5.67                  

Granted

    12,500       0.83                  

Canceled and forfeited

    (154,955

)

    2.37                  

Expired

    (74,530

)

    23.48                  

Outstanding, December 31, 2022

    702,805     $ 4.42      

5.5

    $  

Exercisable, December 31, 2022

    537,390     $ 5.31      

4.5

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

Year Ended

December 31, 2022

 
   

Number of

Shares

   

Weighted

Average

Grant-Date

Fair Value

 

Unvested, January 1, 2022

    95,000     $ 1.40  

Granted

    30,000       0.24  

Vested

    (35,000

)

    1.45  

Unvested, December 31, 2022

    90,000     $ 0.99