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Related Parties (Details)
1 Months Ended 12 Months Ended
Jan. 27, 2021
USD ($)
Aug. 01, 2018
USD ($)
Dec. 11, 2017
Mar. 12, 2014
usd_per_square_foot
option
Feb. 28, 2021
USD ($)
Aug. 25, 2021
USD ($)
usd_per_square_foot
entity
Aug. 26, 2020
USD ($)
Dec. 31, 2019
Jul. 31, 2008
option
Related Party Transaction [Line Items]                  
Ownership of common stock           0.05      
Proceeds from sale of business         $ 200,000        
President and Chief Executive Officer                  
Related Party Transaction [Line Items]                  
Employment renewal, term     1 year            
Fixed annual base salary   $ 1              
Interim President and Chief Executive Officer                  
Related Party Transaction [Line Items]                  
Professional fees $ 50,000                
Monthly professional fees $ 20,000                
New Lease Agreement                  
Related Party Transaction [Line Items]                  
Percent of space rented           7.00%      
Rend paid per square foot (in dollars per square foot) | usd_per_square_foot       28.53          
Lease Agreement Executed in 2006                  
Related Party Transaction [Line Items]                  
Lease primary term                 12 years
Number of options to extend lease term | option                 2
Lease renewal term                 5 years
Rend paid per square foot (in dollars per square foot) | usd_per_square_foot           22.00      
Pappas Entities | New Lease Agreement | Houston                  
Related Party Transaction [Line Items]                  
Lease primary term       6 years          
Number of options to extend lease term | option       2          
Lease renewal term       5 years       5 years  
Pappas Entities                  
Related Party Transaction [Line Items]                  
Number of related party entities | entity           2      
Affiliated costs incurred as a percentage of relative total Company costs           0.25% 0.52%    
Rent payments           $ 133,000 $ 411,000    
Pappas Entities | Amended and Restated Master Sales Agreement                  
Related Party Transaction [Line Items]                  
Total costs under the Master Sales Agreement           $ 18,000 $ 8,000    
Pappas Entities | New Lease Agreement | Limited Partnership Interest                  
Related Party Transaction [Line Items]                  
General partnership interest in the limited partnership           50.00%      
Pappas Entities | New Lease Agreement | General Partnership Interest                  
Related Party Transaction [Line Items]                  
General partnership interest in the limited partnership           50.00%