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v3.25.1

Condensed Statements of Cash Flows (unaudited) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2025 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Cash flows from operating activities |  |  |  |
Net loss |  | $ (6,589) | $ (8,925) |
Adjustments to reconcile net loss to net cash used in operating activities |  |  |  |
Stock-based compensation expense |  | 2,626 | 2,540 |
Depreciation |  | 49 | 45 |
Amortization of debt discount and issuance costs |  | 49 | 78 |
Non-cash interest expense |  | 213 | 316 |
PIK interest incurred but not paid on term loan |  | 0 | 690 |
Amortization of right-of-use asset |  | 413 | 378 |
Loss (gain) on short-term investments |  | 82 | (51) |
Inventory write-downs |  | 44 | 47 |
Loss on disposal of property and equipment |  | 2 | 0 |
Changes in operating assets and liabilities |  |  |  |
Accounts receivable |  | (2,585) | 682 |
Inventory |  | (243) | (249) |
Prepaid expenses and other assets |  | 150 | 475 |
Accounts payable |  | 966 | 950 |
Accrued liabilities |  | (2,333) | (3,890) |
Deferred revenue |  | 124 | (220) |
Operating lease liabilities |  | (450) | (394) |
Net cash used in operating activities |  | (7,482) | (7,528) |
Cash flows from investing activities |  |  |  |
Acquisition of property and equipment |  | (37) | (104) |
Proceeds from sale of short-term investments |  | 0 | 2,500 |
Net cash (used in) provided by investing activities |  | (37) | 2,396 |
Cash flows from financing activities |  |  |  |
Repurchase of common stock |  | (49,546) | 0 |
Proceeds from issuance of common stock under employee plans |  | 385 | 721 |
Taxes withheld and paid related to net share settlement of equity awards |  | (228) | (649) |
Net cash provided by financing activities |  | 21,108 | 72 |
Net increase (decrease) in cash and cash equivalents |  | 13,589 | (5,060) |
Cash, cash equivalents and restricted cash |  |  |  |
Beginning of the period | $ 13,552 | 13,552 | 18,180 | $ 18,180
End of the period |  | 27,141 | 13,120 | 13,552
Reconciliation of cash, cash equivalents and restricted cash to balance sheets: |  |  |  |
Cash and cash equivalents |  | 27,019 | 12,998 | 13,430
Restricted cash |  | 122 | 122 | 122
Cash, cash equivalents and restricted cash in balance sheets |  | 27,141 | 13,120 | 13,552
Supplemental disclosure of cash flow information: |  |  |  |
Cash paid for interest |  | 1,890 | 1,174 |
Supplemental disclosures of non-cash investing and financing information: |  |  |  |
Follow-on offering costs included in accounts payable and accrued liabilities |  | 611 | 0 |
Deferred offering costs offset against additional paid-in capital |  | 277 | 0 |
Purchase of property and equipment included in accounts payable |  | 141 | 55 |
Follow-on Offering |  |  |  |
Cash flows from financing activities |  |  |  |
Proceeds from issuance of stock |  | 70,265 | 0 |
At-the-Market Equity Offering |  |  |  |
Cash flows from financing activities |  |  |  |
Proceeds from issuance of stock | $ 200 | $ 232 | $ 0 | $ 3,400

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