v3.24.3
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Operating activities    
Net income (loss) $ (72,710) $ (215,676)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Stock-based compensation expense 21,155 35,459
Depreciation and amortization expense 3,951 3,624
Accretion of liability related to sale of future revenues 3,180 3,729
Amortization (accretion) of investment premiums (discounts) (30) (1,320)
Non-cash operating lease expense 9,102 8,847
Other non-cash items, net (340) 148
Changes in operating assets and liabilities:    
Accounts receivable 32,773 40,058
Inventories (4,274) (5,005)
Other current assets (3,135) 920
Other assets (254) (119)
Accounts payable (1,537) (319)
Accrued compensation (3,751) (3,229)
Accrued research and development expenses (11,287) (1,024)
Other current liabilities (10,446) 607
Deferred revenue 1,419 540
Operating lease liabilities (8,062) (9,953)
Other long-term liabilities 0 142
Net cash used in operating activities (44,246) (142,571)
Investing activities    
Purchases of short-term investments (19,665) (83,647)
Proceeds from maturities and sales of short-term investments 25,069 198,723
Purchases of property and equipment (156) (1,179)
Proceeds from sale of property and equipment 0 25
Net cash provided by (used in) investing activities 5,248 113,922
Financing activities    
Proceeds from sale of common stock and pre-funded warrants in registered direct offerings, net 50,813 0
Proceeds from issuance of common stock through ATM facilities, net 9,348 590
Proceeds from employee stock awards 113 747
Taxes paid related to net share settlement of restricted stock units 0 (94)
Principal payments on finance lease obligations (657) (732)
Other financing activities, net (7) (13)
Net cash provided by financing activities 59,610 498
Increase (decrease) in cash, cash equivalents and restricted cash 20,612 (28,151)
Cash, cash equivalents and restricted cash at beginning of period 25,987 93,088
Cash, cash equivalents and restricted cash at end of period 46,599 64,937
Non-cash investing and financing activities    
Property and equipment purchases included in accounts payable and other accrued liabilities 0 20
Accrued costs related to direct registered offering 210 0
Supplemental cash flow disclosure    
Cash paid for interest 497 332
Cash paid for income taxes $ 24 $ 2

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