Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity (Equity Incentive Plans) (Narrative) (Details)

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Stockholders Equity (Equity Incentive Plans) (Narrative) (Details) - shares
1 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2018
Sep. 30, 2023
Dec. 31, 2016
Dec. 31, 2019
Stockholders' Equity              
Shares authorized             26,667
Additional shares authorized 400,000   40,000        
Shares available for grant 466,667            
Predetermined offering period, lower fair market value percentage         85.00%    
Number of shares purchased under ESPP         86,578    
Shares available for future sale         380,089    
Options [Member]              
Stockholders' Equity              
Shares authorized           133,333  
Expiration period           10 years  
Additional shares authorized   200,000 200,000 200,000      
Shares available for grant   733,333 533,333 333,333      
Shares available for future sale         287,606