Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Oct. 31, 2021	Jan. 31, 2021
Current assets:
Cash and cash equivalents	$ 457,760	$ 241,274
Marketable debt securities	0	199,434
Accounts receivable, net	44,776	24,974
Inventories	47,039	26,081
Restricted cash	10	10
Prepaid expenses and other current assets	5,789	5,531
Total current assets	555,374	497,304
Property and equipment, net	8,498	5,530
Deferred tax assets, non-current	11,467	10,914
Intangible assets, net	15,267	18,703
Operating lease right-of-use assets, net	11,958	9,659
Goodwill	26,601	26,601
Other non-current assets	4,190	4,569
Total assets	633,355	573,280
Current liabilities:
Accounts payable	27,071	21,124
Accrued and other current liabilities	48,909	48,126
Operating lease liabilities, current	3,494	2,911
Income taxes payable	1,358	962
Deferred revenue, current	787	844
Total current liabilities	81,619	73,967
Operating lease liabilities, non-current	9,053	7,525
Other long-term liabilities	13,448	16,812
Total liabilities	104,120	98,304
Commitments and contingencies (Note 13)	0	0
Shareholders' equity:
Preference shares, $0.00045 par value per share, 20,000,000 shares authorized and no shares issued and outstanding at October 31, 2021 and January 31, 2021, respectively	0	0
Ordinary shares, $0.00045 par value per share, 200,000,000 shares authorized at October 31, 2021 and January 31, 2021, respectively; 36,925,142 shares issued and outstanding at October 31, 2021; 35,547,440 shares issued and outstanding at January 31, 2021	17	16
Additional paid-in capital	420,153	347,458
Accumulated other comprehensive income	0	1,219
Retained earnings	109,065	126,283
Total shareholders’ equity	529,235	474,976
Total liabilities and shareholders' equity	$ 633,355	$ 573,280