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v3.24.3

Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Operating activities: |  |
Net Income (Loss) | $ (21,026) | $ (26,124)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Bad debt expense | 61 | 21
Inventory reserve | 4,235 | 130
Depreciation and amortization | 4,933 | 4,049
Stock-based compensation | 2,900 | 3,115
Deferred taxes | (52) | 5
Accrued interest income on short-term investments | (118) | 0
Amortization of debt financing costs | 291 | 415
Non-cash lease expense | 140 | 86
Loss on disposal of property, plant, and equipment | 49 | 5
Long-lived assets impairment | 0 | 2,195
Loss on extinguishment of debt | 0 | 824
Changes in operating assets and liabilities: |  |
Accounts receivable | (718) | (721)
Inventories | (315) | 649
Income taxes receivable | 0 | 22
Prepaid expenses and other current assets | (943) | (694)
Other non-current assets | 334 | 300
Accounts payable | (430) | (948)
Accrued liabilities | (724) | 815
Other | (72) | (66)
Cash used in operating activities | (11,455) | (15,922)
Investing activities: |  |
Purchases of short-term investments | (25,428) | 0
Proceeds from sale of property, plant, and equipment | 125 | 0
Purchases of property, plant, and equipment | (558) | (7,622)
Cash used in investing activities | (25,861) | (7,622)
Financing activities: |  |
Proceeds from equity financing, net | 15,104 | 22,915
Repayment of long-term debt | 0 | (10,000)
Proceeds from financed insurance premiums | 385 | 1,004
Repayment of financed insurance premiums | (572) | (294)
Payment of debt issuance costs | (25) | (24)
Payment of at-the-market facility costs | 0 | (395)
Proceeds from exercise of stock options | 4 | 76
Proceeds from issuance of common stock under employee stock purchase plan | 81 | 138
Cash provided by financing activities | 14,977 | 13,420
Change in cash, cash equivalents, and restricted cash | (22,339) | (10,124)
Cash, cash equivalents, and restricted cash at beginning of period | 28,484 | 42,236
Cash, cash equivalents, and restricted cash at end of period | 6,145 | 32,112
Supplemental cash flow disclosures: |  |
Income taxes paid | 41 | 0
Interest paid, net of amounts capitalized | 1,178 | 1,934
Debt issuance costs included in accrued liabilities | 0 | 23
Offering costs included in accounts payable and accrued liabilities | 18 | 353
Capitalized property, plant, and equipment included in accounts payable and accrued liabilities | 90 | 205
Issuance of common stock warrants | 132 | 0
Recognition of operating right-of-use lease asset | 1,293 | (1,137)
Recognition of operating lease liabilities | $ 1,306 | $ (1,193)

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