Quarterly report pursuant to Section 13 or 15(d)

Debt - Terms loans and lines of credit (Details)

v3.23.1
Debt - Terms loans and lines of credit (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 25, 2022
Jan. 06, 2021
Oct. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2021
Jan. 01, 2023
Dec. 31, 2022
Oct. 24, 2022
Jan. 01, 2022
Aug. 13, 2021
Aug. 12, 2021
Debt Instruments [Abstract]                        
Debt issuance costs incurred       $ 0 $ 7,000              
Long term debt       $ 11,462,000                
Federal Funds Rate                        
Debt Instruments [Abstract]                        
Basis spread on variable interest rate       3.75%                
Floor interest rate       3.75%                
Line of credit                        
Debt Instruments [Abstract]                        
Loss on extinguishment of debt           $ 400,000            
Long term debt       $ 11,462,000       $ 11,444,000        
Line of credit | Wintrust Credit Facility                        
Debt Instruments [Abstract]                        
Maximum borrowing capacity                 $ 13,500,000   $ 7,500,000 $ 6,000,000
Floor interest rate     3.75%                  
Covenant, minimum liquidity required       8,500,000                
Restricted cash             $ 6,000,000   $ 6,300,000 $ 6,900,000 $ 7,200,000  
Long term debt       11,500,000       11,400,000        
Debt issuance costs       200,000       $ 200,000        
Line of credit | Federal Funds Rate | Wintrust Credit Facility                        
Debt Instruments [Abstract]                        
Basis spread on variable interest rate     3.75%                  
Old Plank Trail Community Bank, N.A. | Term Loan                        
Debt Instruments [Abstract]                        
Maximum borrowing capacity   $ 6,000,000                    
Old Plank Trail Community Bank, N.A. | Line of credit                        
Debt Instruments [Abstract]                        
Maximum borrowing capacity   $ 6,000,000                    
Floor interest rate   2.50%                    
Debt issuance costs incurred   $ 100,000                    
Old Plank Trail Community Bank, N.A. | Line of credit | Wintrust Credit Facility                        
Debt Instruments [Abstract]                        
Fixed charge coverage ratio   1.25                    
Liquidity required (no less than)       $ 12,000,000 $ 13,000,000              
Old Plank Trail Community Bank, N.A. | Line of credit | LIBOR                        
Debt Instruments [Abstract]                        
Basis spread on variable interest rate   2.50%                    
Old Plank Trail Community Bank, N.A. | Line of credit | Federal Funds Rate                        
Debt Instruments [Abstract]                        
Basis spread on variable interest rate 2.85%