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Note 3 - Equity (Tables)
9 Months Ended
Mar. 31, 2023
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

    60,994       5.01  

Vested and issued

    (24,130 )    

5.79

 

Forfeited

    (2,568

)

    5.84  

Outstanding at March 31, 2023

    940,451     $ 5.30  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Warrants Outstanding

at March 31, 2023

   

Warrants Exercisable

at March 31, 2023

 

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       2.85     $ 4.00       1,085,068     $ 4.00  
$ 10.00       23,737       2.82     $ 10.00       23,737     $ 10.00  
          1,108,805       2.85     $ 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  

January 1, 2023 – March 31, 2023:

    74,150     $ 5.79     $ 429,271     $ 9,835,910