0001822145 us-gaap:CommonStockMember 2023-12-06 2023-12-06 0001822145 prst:WarrantsEachWholeWarrantExercisableForOneShareOfCommonStockMember 2023-12-06 2023-12-06 0001822145 2023-12-06 2023-12-06 0001822145 false 8-K 2023-12-06 Presto Automation Inc DE 001-39830 84-2968594 985 Industrial Road San Carlos CA 94070 (650) 817-9012 false false false false Common stock, par value $0.0001 per share PRST NASDAQ Warrants, each whole warrant exercisable for one share of common stock PRSTW NASDAQ true false