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Stock-Based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 09, 2015
Jun. 30, 2021
Jun. 30, 2019
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment                
Stock Repurchased During Period, Shares           250,197    
Deferred Compensation Arrangement with Individual Shares Outstanding       335,860   335,860    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized           0   1,500,000
Other Employees [Member]                
Share-based Compensation Arrangement by Share-based Payment                
Restricted Stock or Unit Expense       $ 71,000   $ 169,000    
Board Members [Member]                
Share-based Compensation Arrangement by Share-based Payment                
Shares issued           28,919    
Restricted Stock Units (RSUs) [Member]                
Share-based Compensation Arrangement by Share-based Payment                
Allocated Share-based Compensation Expense       101,000 $ 151,000 $ 252,000 $ 302,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options       468,000   468,000    
Stock based compensation capitalized       4,000 $ 33,000 $ 27,000 $ 76,000  
Shares issued           366,099    
Stock Repurchased During Period, Shares           171,196    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period           333,500   310,000
Restricted Stock Units (RSUs) [Member] | Minimum                
Share-based Compensation Arrangement by Share-based Payment                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period           2 years    
Restricted Stock Units (RSUs) [Member] | Maximum                
Share-based Compensation Arrangement by Share-based Payment                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period           3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Award Distribution Period           7 years    
Restricted Stock Units (RSUs) [Member] | Other Employees [Member]                
Share-based Compensation Arrangement by Share-based Payment                
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition       $ 6,000   $ 36,000    
2015 Stock Incentive Plan[Member]                
Share-based Compensation Arrangement by Share-based Payment                
Number of Shares, Granted           0    
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent 100.00%              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period           10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 800,000              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized   1,500,000 1,000,000