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Stock-based Compensation - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 08, 2022
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2020
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation nonvested shares   0   0      
Employee Stock Option              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options issued to purchase shares of common stock 630,000         280,000  
Vesting period 5 years         5 years  
Strike price $ 4.53         $ 3.81  
Estimated grant date fair value of options issued to purchase shares of common stock $ 612,000         $ 290,000  
Expiration date Mar. 08, 2032         Jun. 30, 2030  
Share-based compensation expense   $ 38,000 $ 44,000 $ 70,000 $ 86,000    
Share-based compensation expense not yet recognized   $ 374,000   $ 374,000      
Share-based compensation nonvested shares   424,000   424,000      
Stock options volatility rate 65.04%            
Options exercisable term 5 years            
Risk free interest rate term of options 5 years            
Risk free interest rate of options 1.80%            
Market value of stock $ 2.4            
Restricted Stock Units (RSUs)              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation expense   $ 0 $ 4,000 $ 0 $ 17,000    
Restricted Stock Units (RSUs) | 2015 Omnibus Incentive Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares granted in period (in shares)             70,000
Shares granted in period             $ 404,000
Share-based compensation nonvested shares   0   0