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v3.25.2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |  |  |  |  |
Net loss | $ (9,270) | $ (8,016) | $ (7,987) | $ (10,219) | $ (17,286) | $ (18,206) |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  | 75 | 56 |
Noncash lease expense relating to operating lease right-of-use assets |  |  |  |  | 103 | 727 |
Gain on termination of operating lease, net |  |  |  |  | (1,612) | 0 | $ (5,954)
Common stock purchase agreement costs |  |  |  |  | 306 | 0 |
Debt issuance costs | 36 |  | 0 |  | 2,020 | 0 |
Inventory write-downs, net of scrapped inventory |  |  |  |  | 24 | 112 |
Change in fair value of convertible note and warrant liabilities | 593 |  | 15 |  | (87) | 13 |
Stock-based compensation |  |  |  |  | 3,661 | 4,754 |
Amortization of premiums and accretion of discounts on marketable securities, net of change in accrued interest |  |  |  |  | (157) | (428) |
Expected credit losses, net of write-off |  |  |  |  | 2 | 34 |
Changes in operating assets and liabilities: |  |  |  |  |  |  |
Accounts receivable, net |  |  |  |  | (18) | 90 |
Inventories, current and noncurrent, net |  |  |  |  | (114) | 89 |
Prepaid and other current assets |  |  |  |  | 84 | 724 |
Other noncurrent assets |  |  |  |  | 134 | 171 |
Accounts payable |  |  |  |  | 1,761 | 108 |
Accrued expenses and other current liabilities |  |  |  |  | (1,522) | (1,402) |
Operating lease liabilities |  |  |  |  | (1,532) | (799) |
Contract liabilities |  |  |  |  | 0 | 74 |
Other noncurrent liabilities |  |  |  |  | 0 | (358) |
Net cash (used in) operating activities |  |  |  |  | (14,158) | (14,241) |
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |  |  |  |  |
Purchases of property and equipment |  |  |  |  | (14) | (234) |
Purchases of marketable securities |  |  |  |  | (14,303) | (15,173) |
Proceeds from redemptions and maturities of marketable securities |  |  |  |  | 9,631 | 18,400 |
Net cash (used in) provided by investing activities |  |  |  |  | (4,686) | 2,993 |
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |  |  |  |  |
Proceeds from exercise of stock options |  |  |  |  | 0 | 134 |
Proceeds from issuance of convertible note |  |  |  |  | 2,950 | 146 |
Payments for convertible note redemptions |  |  |  |  | (750) | 0 |
Transaction costs related to issuance of convertible note |  |  |  |  | (608) | 0 |
Proceeds from issuance of common stock under Common Stock Purchase Agreements |  |  |  |  | 10,076 | 5,560 |
Stock issuance costs related to Common Stock Purchase Agreements |  |  |  |  | (404) | (288) |
Taxes paid related to the net share settlement of equity awards |  |  |  |  | (364) | (47) |
Proceeds from issuance of common stock through the Employee Stock Purchase Plan |  |  |  |  | 52 | 26 |
Net cash provided by financing activities |  |  |  |  | 10,952 | 5,531 |
NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH |  |  |  |  | (7,892) | (5,717) |
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—Beginning of period |  | $ 10,266 |  | $ 19,082 | 10,266 | 19,082 | 19,082
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—End of period | $ 2,374 |  | $ 13,365 |  | 2,374 | 13,365 | $ 10,266
SUPPLEMENTAL CASH FLOW INFORMATION: |  |  |  |  |  |  |
Cash paid for income taxes, net of refund |  |  |  |  | 21 | 1 |
Cash paid for interest |  |  |  |  | 0 | 0 |
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES: |  |  |  |  |  |  |
Noncash debt issuance costs |  |  |  |  | 1,362 | 0 |
Stock issuance costs included in accounts payable and accrued liabilities |  |  |  |  | 213 | 128 |
Debt issuance costs included in accounts payable and accrued liabilities |  |  |  |  | 50 | 0 |
Purchases of property and equipment included in accounts payable and accrued liabilities |  |  |  |  | $ 5 |  |

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