Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2022	Jan. 31, 2021
Current assets:
Cash and cash equivalents	$ 171,043	$ 241,274
Marketable debt securities	0	199,434
Accounts receivable, net	44,307	24,974
Inventories	45,219	26,081
Restricted cash	10	10
Prepaid expenses and other current assets	6,169	5,531
Total current assets	266,748	497,304
Property and equipment, net	10,134	5,530
Deferred tax assets, non-current	15,340	10,914
Intangible assets, net	46,302	18,703
Operating lease right-of-use assets, net	11,127	9,659
Goodwill	303,625	26,601
Other non-current assets	4,269	4,569
Total assets	657,545	573,280
Current liabilities:
Accounts payable	31,170	21,124
Accrued and other current liabilities	52,064	48,126
Operating lease liabilities, current	3,391	2,911
Income taxes payable	1,245	962
Deferred revenue, current	1,414	844
Total current liabilities	89,284	73,967
Operating lease liabilities, non-current	8,322	7,525
Other long-term liabilities	12,763	16,812
Total liabilities	110,369	98,304
Commitments and contingencies (Note 15)	0	0
Shareholders' equity:
Preference shares, $0.00045 par value per share, 20,000,000 shares authorized and no shares issued and outstanding at January 31, 2022 and January 31, 2021, respectively	0	0
Ordinary shares, $0.00045 par value per share, 200,000,000 shares authorized at January 31, 2022 and January 31, 2021, respectively; 37,302,818 shares issued and outstanding at January 31, 2022; 35,547,440 shares issued and outstanding at January 31, 2021	17	16
Additional paid-in capital	447,287	347,458
Accumulated other comprehensive income	0	1,219
Retained earnings	99,872	126,283
Total shareholders’ equity	547,176	474,976
Total liabilities and shareholders' equity	$ 657,545	$ 573,280