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Note 3 - Equity (Tables)
3 Months Ended
Dec. 31, 2022
Notes Tables  
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

Restricted Stock Units

 

Restricted

Stock Units

   

Weighted Average
Grant Date
Fair Value

($/share)

 
                 

Outstanding at June 30, 2022

    906,155     $ 5.34  

Granted

    50,994       4.82  

Vested and issued

    (12,950 )    

5.71

 

Forfeited

    (2,568

)

    5.84  

Outstanding at December 31, 2022

    941,631     $ 5.30  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Warrants Outstanding

at December 31, 2022

   

Warrants Exercisable

at December 31, 2022

 

Range of

exercise

prices

   

Number

Outstanding

   

Weighted average

remaining
contractual

life (years)

   

Weighted

average

exercise price

   

Number

exercisable

   

Weighted

average

exercise price

 
$ 4.00       1,085,068       0.10     $ 4.00       1,085,068     $ 4.00  
$ 10.00       23,737       0.07     $ 10.00       23,737     $ 10.00  
          1,108,805       0.10     $ 4.13       1,108,805     $ 4.13  
Share Repurchase Program [Table Text Block]

Period (1)

  Total
Number of
Shares
Purchased
    Average
Price Paid
Per Share
   

 

Dollars Expended by Period Under the Plans or
Programs
    Remaining
Amount
Available
for Future
Share
Repurchases
Under the
Plans or
Programs
 

July 1, 2022 – September 30, 2022:

    20,859     $ 4.97     $ 103,657     $ 10,713,447  

October 1, 2022 – December 31, 2022:

    88,741     $ 5.05     $ 448,266     $ 10,265,181