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Stock-Based Compensation (Details) - USD ($)
 3 Months Ended
Nov. 10, 2020
Feb. 16, 2017
Sep. 27, 2010
Sep. 30, 2023
Sep. 30, 2022
Feb. 02, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common stock issued under employee stock purchase plan (in shares)       39,000 36,000  
Stock based compensation reflected in additional paid in capital       $ 1,000,000 $ 600,000  
2010 Long-Term Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized (in shares)           475,000
Contractual term of stock options granted     10 years      
2017 Long-Term Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized (in shares)       4,000,000    
Number of additional shares authorized (in shares) 1,052,000 650,000        
Right to purchase common stock, non-vested and outstanding, exercise price (in USD per share)       $ 4.44    
Share based payment award, vesting period       3 years    
Options outstanding, net of awards expired (in shares)       100,000    
2017 Long-Term Incentive Plan Excluding 2010 Long-Term Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized (in shares)           3,492,000
Employee Stock Purchase Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common Stock, capital shares reserved for future issuance (in shares)       400,000    
Shares available for issuance under the ESPP (in shares)       100,000    
Purchase price of common stock (as a percent)       85.00%    
Maximum employee subscription rate (as a percent)       15.00%    
Maximum number of shares per employee (in shares)       3,000    
Amount in excess of fair market value of stock for option not to be granted       $ 25,000    
Offering period       6 months