CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2023	Jan. 31, 2023
CONDENSED CONSOLIDATED BALANCE SHEETS
Allowance for doubtful accounts	$ 890	$ 800
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,500,000,000	1,500,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000,000	20,000,000,000
Common stock, shares issued	8,709,256,000	8,655,699,000
Common stock, shares outstanding	7,355,748	7,325,005
Treasury stock, shares	1,353,508,000	1,330,694,000