Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details)
1 Months Ended 3 Months Ended 4 Months Ended 6 Months Ended
Feb. 29, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Apr. 30, 2020
USD ($)
Deposit
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Commitments And Contingencies [Line Items]              
Operating leases, rent expense   $ 891,000 $ 689,000   $ 1,732,000 $ 1,316,000  
Assets held for sale   732,000     732,000   $ 732,000
Franchise Agreement Case [Member]              
Commitments And Contingencies [Line Items]              
Loss contingency damage sought value         $ 5,000,000    
Loss contingency, lawsuit filing date         April 2016    
Employment Agreement Breach Case [Member]              
Commitments And Contingencies [Line Items]              
Loss contingency, lawsuit filing date         December 1, 2019    
Loss contingency motion to dismiss lawsuit filing date         February 13, 2020    
Employee Termination Case [Member]              
Commitments And Contingencies [Line Items]              
Loss contingency, lawsuit filing date         July 8, 2020    
Loss contingency, allegations         the former employee was terminated wrongfully by the Company    
BF Dania Beach, LLC [Member]              
Commitments And Contingencies [Line Items]              
Aggregate purchase price $ 1,299,000            
Number of cash deposits | Deposit       3      
Cash deposits received       $ 906,500      
Cash deposits returned to unrelated third-party purchaser       $ 906,500      
Assets held for sale   $ 732,000     $ 732,000   $ 732,000