Warrants (Tables)
 9 Months Ended
Sep. 30, 2022
Equity [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights As of September 30, 2022, no warrants were outstanding and exercisable.
Warrant HolderIssue DateIn Connection WithWarrant to PurchaseSharesExercise PriceExpiration Date
Rockport3/3/2017Loan agreementCommon—$3.80 8/28/2022