v3.23.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income (loss) | $ 47,755 | $ (35,099)
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Non-cash royalty revenue related to royalty monetization | 0 | (83)
Non-cash interest income on liability related to royalty monetization | (1,136) | (3,038)
Depreciation and amortization | 1,647 | 1,973
Non-cash interest expense related to debt financing | 393 | 761
Non-cash issuance costs for warrant liability | 775 | 0
Stock-based compensation | 2,889 | 4,609
Non-cash gain on termination of liability related to royalty monetization | (84,152) | 0
Impairment of property and equipment | 4,948 | 0
Inventory impairment charge | 0 | 810
Other | (60) | (138)
Changes in operating assets and liabilities: |  |
Accounts receivable | (149) | 475
Inventories | (107) | (295)
Prepaid expenses and other assets | 299 | (908)
Accounts payable | 551 | 111
Accrued liabilities | (1,613) | 79
Operating lease liabilities | (285) | (447)
Deferred revenue | (86) | 1,188
Net cash used in operating activities | (28,331) | (30,002)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchase of property and equipment | (364) | (1,827)
Purchase of investments | (7,861) | (70,459)
Cash paid for asset acquisition, net of cash acquired | (1,687) | (821)
Proceeds from sale of investments | 0 | 2,996
Proceeds from maturities of investments | 46,362 | 43,988
Net cash provided by (used in) investing activities | 36,450 | (26,123)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Payment of long-term debt | (8,433) | (8,833)
Net proceeds from issuance of Series A Redeemable Convertible Preferred Stock and Warrants | 239 | 0
Redemption of Series A Redeemable Convertible Preferred Stock | (315) | 0
Net proceeds from issuance of common stock through equity plans | 74 | 318
Tax payments related to shares withheld for restricted stock units vested | (58) | (249)
Net cash (used in) provided by financing activities | (507) | 41,514
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH | 7,612 | (14,611)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH —Beginning of year | 12,663 | 27,274
CASH, CASH EQUIVALENTS AND RESTRICTED CASH —End of year | 20,275 | 12,663
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: |  |
Cash paid for interest | 824 | 1,595
Income taxes paid | 13 | 5
NONCASH INVESTING AND FINANCING ACTIVITIES: |  |
Purchases of property and equipment in accounts payable and accrued expenses | 825 | 1,095
Equity issuance costs from modification of November 2021 Financing Warrants | 47 | 0
Equity issuance costs in accounts payable and accrued expenses | 51 | 0
Liability for held back shares in connection with asset acquisition in other long-term liabilities | 800 | 0
Issuance of common stock in connection with asset acquisition | 5,511 | 0
Asset acquisition costs in accounts payable and accrued expenses | 0 | 1,087
Establishment of right-of-use asset and lease liability | 127 | 4,669
Write-off of right-of-use asset and lease liability | 0 | (3,128)
Gain on termination of sublease | 0 | 522
2021 Registered Direct Offering [Member] |  |
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Proceeds from issuance of common stock | 7,528 | 0
Net proceeds from issuance of common stock and warrants | 0 | 13,918
Underwritten Public Offering [Member] |  |
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Net proceeds from issuance of common stock and warrants | 0 | 28,886
ATM Agreement [Member] |  |
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Proceeds from issuance of common stock | $ 458 | $ 7,474

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