CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2019	Jan. 31, 2019
Accounts receivable, net of allowances	$ 2,502	$ 2,071
Temporary equity par value	$ 0.001	$ 0.001
Temporary equity, shares authorized	0	158,104,540
Temporary equity, shares issued	0	152,665,804
Temporary equity, shares outstanding	0	152,665,804
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	200,000,000	0
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Class A Common Stock
Common stock, shares authorized	2,000,000,000	320,000,000
Common stock, shares issued	32,144,001	0
Common stock, shares outstanding	32,144,001	0
Class B Common Stock
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	240,192,861	90,327,435
Common stock, shares outstanding	240,192,861	90,327,435