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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
Cash flows from operating activities |  |
Net loss | $ (21,891) | $ (26,756)
Adjustments to reconcile net loss to net cash used in operating activities |  |
Stock-based compensation expense | 7,679 | 7,201
Depreciation | 159 | 132
Amortization of debt discount and issuance costs | 179 | 207
Non-cash interest expense | 743 | 775
PIK interest incurred but not paid on term loan | 1,389 | 1,994
Amortization of right-of-use asset | 1,159 | 1,064
(Gain) loss on short-term investments | (315) | 580
Inventory write-downs | 196 | 132
Changes in operating assets and liabilities |  |
Accounts receivable | 753 | (3,798)
Inventory | (1,066) | (179)
Prepaid expenses and other assets | 621 | 1,530
Accounts payable | (102) | (815)
Accrued liabilities | (1,108) | 2,623
Deferred revenue | (341) | 0
Operating lease liabilities | (1,207) | (1,050)
Net cash used in operating activities | (13,152) | (16,360)
Cash flows from investing activities |  |
Acquisition of property and equipment | (267) | (141)
Proceeds from sale of short-term investments | 7,300 | 19,700
Net cash provided by investing activities | 7,033 | 19,559
Cash flows from financing activities |  |
Proceeds from issuance of common stock under employee plans | 1,336 | 254
Taxes withheld and paid related to net share settlement of equity awards | (789) | (222)
Proceeds from at-the-market offering, net of sales commission | 2,932 | 0
Payment of deferred offering costs | 0 | (119)
Net cash provided by (used in) financing activities | 3,479 | (87)
Net (decrease) increase in cash and cash equivalents | (2,640) | 3,112
Cash, cash equivalents and restricted cash |  |
Beginning of the period | 18,180 | 6,727
End of the period | 15,540 | 9,839
Reconciliation of cash, cash equivalents and restricted cash to balance sheets: |  |
Cash and cash equivalents | 15,418 | 9,717
Restricted cash | 122 | 122
Cash, cash equivalents and restricted cash in balance sheets | 15,540 | 9,839
Supplemental disclosure of cash flow information: |  |
Cash paid for interest | 4,294 | 3,305
Supplemental disclosures of non-cash investing and financing information: |  |
Deferred offering costs offset against additional paid-in capital | 99 | 0
Net change in accrued liabilities from early exercise of options | $ (1) | $ (1)

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