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v3.25.0.1

Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Cash flows from operating activities: |  |
Net loss | $ (15,115) | $ (23,689)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 1,724 | 2,168
Amortization of debt discount and debt issuance costs | 154 | 156
Non-cash interest expense | 276 | 363
Loss on disposal of assets | 111 | 189
Loss on lease assignment | 0 | 1,470
Non-cash lease expense | 884 | 939
Stock-based compensation | 1,763 | 3,617
Changes in assets and liabilities: |  |
Accounts receivable, net | (1,284) | (474)
Prepaid expenses and other current assets | (1,787) | (654)
Other assets | 63 | (101)
Operating lease liabilities | (976) | (1,010)
Accounts payable | 308 | 67
Accrued and other current liabilities | 600 | 2,497
Net cash used in operating activities | (13,279) | (14,462)
Cash flows from investing activities: |  |
Purchases of property and equipment | (515) | (828)
Proceeds from disposal of property and equipment | 0 | 24
Net cash used in investing activities | (515) | (804)
Cash flows from financing activities: |  |
Proceeds from exercise of stock options | 22 | 27
Proceeds from common stock issued under Employee Stock Purchase Plan | 176 | 279
Principal payment on finance lease obligations | (490) | (697)
Principal payment on note payable obligations | (371) | (241)
Principal payment on long-term debt | 0 | (10,000)
Net cash used in financing activities | (663) | (10,632)
Net change in cash, cash equivalents and restricted cash | (14,457) | (25,898)
Cash, cash equivalents and restricted cash, beginning of year | 36,693 | 62,591
Cash, cash equivalents and restricted cash, end of year | 22,236 | 36,693
Supplemental disclosure of cash flow information: |  |
Cash paid for interest expense | 1,719 | 1,737
Supplemental disclosure of non-cash items: |  |
Equipment purchased under notes payable obligations | 706 | 250
Costs incurred, but not paid, in connection with capital expenditures | $ 717 | $ 66

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