Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Net Accounts Receivable Balance Concentrations by Major Category (Parenthetical) (Details)

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Summary of Significant Accounting Policies - Schedule of Net Accounts Receivable Balance Concentrations by Major Category (Parenthetical) (Details) - Customer Concentration Risk - Business To Business Receivables
 12 Months Ended
Dec. 31, 2021
USD ($)
Customer
Dec. 31, 2020
USD ($)
Customer
Accounts Notes And Loans Receivable [Line Items]    
Number of customers | Customer 1 1
Gross accounts receivable $ 5,945,000 $ 7,044,000
Credit insurance policy, deductible amount $ 400,000 $ 400,000
Credit insurance policy, retention percentage 10.00% 10.00%
Maximum    
Accounts Notes And Loans Receivable [Line Items]    
Credit insurance policy, coverage limit $ 10,000,000 $ 10,000,000