Common Stock (Reserved Share of Common Stock for Issuance) (Details) - shares	Mar. 31, 2022	Dec. 31, 2021
Class Of Stock [Line Items]
Options issued and outstanding	20,274,077	21,387,909
Options [Member]
Class Of Stock [Line Items]
Options issued and outstanding		21,387,909
Options available for future grants		7,209,538
Warrants issued and outstanding to purchase shares of common stock		1,928,020
Reserved Shares of Common Stock		30,525,467
Series Seed Preferred [Member] | Options [Member]
Class Of Stock [Line Items]
Options issued and outstanding	20,274,077
Options available for future grants	6,727,691
Warrants issued and outstanding to purchase shares of common stock	1,928,020
Reserved Shares of Common Stock	28,929,788