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v3.23.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2023 | Jan. 31, 2022 | Jan. 31, 2021
Cash flows from operating activities: |  |  |
Net loss | $ (65,386) | $ (26,411) | $ (59,786)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |
Depreciation and amortization | 19,934 | 14,007 | 11,967
Amortization (accretion) of premium (discount) on marketable debt securities, net | (683) | 1,034 | 721
Stock-based compensation | 111,158 | 87,801 | 70,134
Deferred income taxes | (3,936) | (4,426) | (514)
Other non-cash items, net | (751) | (509) | 65
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (7,680) | (18,600) | (6,487)
Inventories | 4,733 | (18,944) | (3,110)
Prepaid expenses and other current assets | 153 | 228 | (537)
Other non-current assets | 978 | 832 | 1,141
Accounts payable | (13,325) | 9,822 | 6,214
Accrued and other current liabilities | 5,225 | (1,954) | 12,055
Income taxes payable | 2,867 | 83 | 272
Deferred revenue | 1,012 | (131) | 144
Operating lease liabilities | (4,011) | (3,608) | (2,416)
Other long-term liabilities | (6,195) | (429) | 937
Net cash provided by operating activities | 44,093 | 38,795 | 30,800
Cash flows from investing activities: |  |  |
Acquisition, net of cash acquired | 0 | (307,038) | 0
Purchases of investments | (97,437) | (118,726) | (219,677)
Sales of investments | 2,444 | 208,132 | 70,087
Maturities of investments | 2,000 | 107,760 | 123,208
Purchase of tangible and intangible assets | (15,051) | (9,679) | (4,942)
Escrow claim associated with business acquisition | 749 | 0 | 0
Net cash used in investing activities | (107,295) | (119,551) | (31,324)
Cash flows from financing activities: |  |  |
Stock repurchase | 0 | 0 | (1,000)
Proceeds from exercise of stock options and employee stock purchase plan | 10,585 | 15,292 | 16,417
Long-term financing payment for intangible assets | (4,887) | (4,767) | (5,021)
Net cash provided by financing activities | 5,698 | 10,525 | 10,396
Net increase (decrease) in cash, cash equivalents and restricted cash | (57,504) | (70,231) | 9,872
Cash, cash equivalents and restricted cash at beginning of period | 171,053 | 241,284 | 231,412
Cash, cash equivalents and restricted cash at end of period | 113,549 | 171,053 | 241,284
Supplemental disclosure of cash flow information: |  |  |
Cash paid for income taxes | 1,444 | 1,869 | 1,531
Supplemental disclosure of noncash investing activities: |  |  |
Unpaid liabilities related to tangible and intangible assets purchases | $ 16,410 | $ 1,569 | $ 4,302

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