Quarterly report pursuant to Section 13 or 15(d)

Debt - Term loan and line of credit (Details)

v3.22.1
Debt - Term loan and line of credit (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 25, 2022
Jan. 06, 2021
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Mar. 31, 2023
Jan. 01, 2023
Jan. 01, 2022
Aug. 13, 2021
Dec. 31, 2020
Debt Instrument [Line Items]                    
Debt issuance costs incurred     $ 7,000 $ 116,000            
Long term debt     $ 12,576,000   $ 10,270,000          
LIBOR                    
Debt Instrument [Line Items]                    
Basis spread on variable interest rate         2.50%          
Floor interest rate         2.50%          
Federal Funds Rate                    
Debt Instrument [Line Items]                    
Basis spread on variable interest rate     2.85%              
Floor interest rate     2.50%              
Term Loan                    
Debt Instrument [Line Items]                    
Long term debt     $ 5,216,000   $ 5,414,000          
Term Loan | Wintrust Credit Facility                    
Debt Instrument [Line Items]                    
Maximum borrowing capacity   $ 6,000,000                
Long term debt     5,200,000             $ 5,400,000
Debt issuance costs     100,000   100,000          
Line of credit, net                    
Debt Instrument [Line Items]                    
Long term debt     7,360,000   4,856,000          
Line of credit, net | Wintrust Credit Facility                    
Debt Instrument [Line Items]                    
Maximum borrowing capacity   $ 6,000,000             $ 7,500,000  
Floor interest rate   2.50%                
Debt issuance costs incurred   $ 100,000                
Covenant, fixed charge coverage ratio required   1.25                
Covenant, minimum liquidity required     13,000,000              
Restricted cash               $ 6,900,000 $ 7,200,000  
Long term debt     7,400,000   $ 4,900,000          
Debt issuance costs     $ 100,000              
Line of credit, net | Wintrust Credit Facility | Forecast                    
Debt Instrument [Line Items]                    
Covenant, minimum liquidity required           $ 12,000,000        
Restricted cash             $ 6,000,000      
Line of credit, net | LIBOR | Wintrust Credit Facility                    
Debt Instrument [Line Items]                    
Basis spread on variable interest rate   2.50%                
Line of credit, net | Federal Funds Rate | Wintrust Credit Facility                    
Debt Instrument [Line Items]                    
Basis spread on variable interest rate 2.85%