Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Debt issuance costs & Accounts receivable, net (Details)

v3.22.1
Summary of Significant Accounting Policies - Debt issuance costs & Accounts receivable, net (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Debt Issuance Costs    
Debt issuance costs $ 0.1 $ 0.1
Amortization of the debt issuance costs 0.1 0.1
Accounts Receivable, net    
Allowance for doubtful accounts $ 0.1 $ 0.1