v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Cash flows from operating activities:    
Net loss $ (24,782) $ (44,323)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization 12,840 13,384
Amortization (accretion) of premium (discount) on marketable debt securities, net (74) (128)
Stock-based compensation 44,593 51,318
Deferred income taxes 74 (174)
Other non-cash items, net (120) 34
Changes in operating assets and liabilities:    
Accounts receivable 1,740 (13,129)
Inventories (24,557) 597
Prepaid expenses and other current assets (1,018) 541
Other non-current assets 7 (48)
Accounts payable (26,404) 7,252
Accrued and other current liabilities (6,250) 1,195
Income taxes payable 778 330
Deferred revenue (1,520) 5,307
Operating lease liabilities (1,291) (1,945)
Other long-term liabilities 98 96
Net cash provided by (used in) operating activities (25,886) 20,307
Cash flows from investing activities:    
Purchase of investments (73,425) (34,569)
Sales of investments 12,076 4,647
Maturities of investments 11,181 17,511
Purchase of tangible and intangible assets (10,779) (8,688)
Net cash used in investing activities (60,947) (21,099)
Cash flows from financing activities:    
Share repurchase (2,441) (1,000)
Proceeds from exercise of stock options and employee stock purchase plan 5,929 4,893
Long-term financing payment for intangible assets (5,824) (4,549)
Net cash used in financing activities (2,336) (656)
Net decrease in cash, cash equivalents and restricted cash (89,169) (1,448)
Cash, cash equivalents and restricted cash at beginning of period 191,461 144,629
Cash, cash equivalents and restricted cash at end of period 102,292 143,181
Supplemental disclosure of cash flow information:    
Cash paid for income taxes 416 838
Supplemental disclosure of noncash investing activities:    
Unpaid liabilities related to tangible and intangible assets purchases $ 1,783 $ 2,227