Common Stock	9 Months Ended
	Oct. 31, 2019
Equity [Abstract]
Common Stock	. Common StockIn connection with the IPO, on June 14, 2019, the Company filed an Amended and Restated Certificate of Incorporation which authorizes the issuance of 2,000,000,000 shares of Class A common stock with a par value of $0.0005 per share, 300,000,000 shares of Class B common stock with a par value of $0.0005 per share, and 100,000,000 shares of undesignated preferred stock with a par value of $0.0005 per share. The rights of the holders of Class A common stock and Class B common stock are identical, except with respect to voting and conversion rights. Each share of Class A common stock is entitled to one vote per share. Each share of Class B common stock is entitled to ten votes per share and is convertible into one share of Class A common stock. Class A and Class B common stockholders are not entitled to receive dividends unless declared by our board of directors.