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v3.22.4

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Operating activities |  |  |
Net income (loss) | $ 293,156 | $ 76,713 | $ (75,240)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 3,812 | 4,296 | 4,273
Amortization of right-of-use assets | 2,856 | 2,715 | 2,562
Inventory write-off | 34,288 | 2,588 | 0
Loss (gain) on disposal of property and equipment and from lease termination | 0 | 47 | (98)
Amortization of premiums (accretion of discounts) on marketable securities | (4,181) | 470 | 535
Realized gain on available-for-sale securities | 0 | 0 | (57)
Loss on debt extinguishment | 0 | 5,232 | 0
Change in fair value of warrant liability | (1,801) | 49,354 | (4,124)
Stock compensation expense | 32,915 | 21,285 | 13,484
Cost of sales - amortization of intangible assets | 0 | 0 | 2,500
Non-cash interest expense | 1,088 | 1,608 | 2,542
Tenant improvements provided by the landlord | 0 | 0 | 1,137
Gain on sale of assets | (1,000) | (1,000) | (6,851)
Changes in operating assets and liabilities: |  |  |
Accounts and other receivables, net | (15,699) | (109,155) | (13,775)
Inventories, net | (32,399) | (234) | (22,357)
Prepaid manufacturing | 159,655 | (130,232) | (29,423)
Prepaid expenses and other current assets | (11,865) | (64,558) | (1,826)
Other assets | 87 | 175 | (229)
Accounts payable | 691 | (767) | (3,448)
CEPI accrual (Note 9) | (21,110) | 128,848 | 0
Lease liabilities | (3,125) | (3,234) | (2,872)
Deferred revenue | (349,864) | 311,652 | 38,212
Accrued and other liabilities | (24,788) | 39,725 | 2,804
Net cash provided by (used in) operating activities | 62,716 | 335,528 | (92,251)
Investing activities |  |  |
Acquisition of technology licenses | 0 | 0 | (7,000)
Purchases of marketable securities | (632,306) | (164,928) | (201,786)
Proceeds from maturities and redemptions of marketable securities | 322,450 | 187,630 | 148,565
Proceeds from sales of marketable securities | 0 | 0 | 30,910
Purchases of property and equipment, net | (7,139) | (9,477) | (4,072)
Proceeds from sale of assets, net of transaction costs | 1,000 | 1,000 | 6,851
Net cash (used in) provided by investing activities | (315,995) | 14,225 | (26,532)
Financing activities |  |  |
Proceeds from issuances of common stock, net | 0 | 28,156 | 108,538
Proceeds from issuance of Convertible Notes, net | 0 | 219,822 | 0
Purchases of capped call options | 0 | (27,240) | 0
Repayment of long-term debt | 0 | (190,194) | 0
Proceeds from warrants exercises | 8,455 | 17,814 | 0
Proceeds from exercise of stock options and release of restricted stock awards, net | 9,639 | 6,577 | 289
Proceeds from Employee Stock Purchase Plan | 1,431 | 841 | 672
Net cash provided by financing activities | 19,525 | 55,776 | 109,499
Effect of exchange rate changes on cash and cash equivalents, and restricted cash | (443) | (1,431) | 1,494
Net increase (decrease) in cash and cash equivalents, and restricted cash | (234,197) | 404,098 | (7,790)
Cash and cash equivalents, and restricted cash at beginning of year | 436,408 | 32,310 | 40,100
Cash and cash equivalents, and restricted cash at end of year | 202,211 | 436,408 | 32,310
Supplemental disclosure of cash flow information |  |  |
Cash paid during the year for income taxes | 2,208 | 1,312 | 0
Cash paid during the year for interest | 5,638 | 9,815 | 16,541
Non-cash investing and financing activities: |  |  |
Purchases of property and equipment, not yet paid | 1,015 | 591 | 361
Right-of-use assets obtained in exchange for operating lease liabilities | $ 2,848 | $ 2,468 | $ 0

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- Definition Amount of amortization expense for right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition Net cash outflow or inflow from monetary allowance granted by the landlord to a tenant to entice tenant to move into landlords building which will enable the tenant to prepare the leased premises for tenants occupancy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 + Details
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- Definition Amount of cash outflow for purchase of marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26853-111562 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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