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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Operating activities: |  |
Net loss | $ (4,799) | $ (3,775)
Net loss from discontinued operations | 124 | 702
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation of property and equipment | 23 | 26
Stock-based compensation expense related to employee and director stock awards | 115 | 139
Loss on divestiture of subsidiary | 865 | 0
Non-cash expense incurred to obtain consent of Secured Convertible Note holders | 368 | 0
Modification of common stock warrants, included in Other expense, net | 69 | 285
Non-cash gain on changes in fair value of warrant liabilities | (114) | (216)
Non-cash loss (gain) on changes in fair value of embedded derivative liability | 18 | (40)
Non-cash right-of-use amortization | 168 | 140
Accretion of interest and amortization of debt discounts on convertible notes | 726 | 457
Changes in operating assets and liabilities: |  |
Accounts receivable | 133 | (481)
Inventory | (144) | (81)
Prepaid expenses and other current assets | 1 | (83)
Other assets | 2 | (5)
Accounts payable and accrued liabilities | 457 | 166
Operating lease liabilities | (162) | (127)
Net cash used in operating activities, continuing operations | (2,150) | (2,893)
Investing activities: |  |
Proceeds from divestiture of subsidiary | 1,070 | 0
Purchases of property and equipment | (4) | (15)
Net cash provided by (used in) investing activities, continuing operations | 1,066 | (15)
Financing activities: |  |
Proceeds from Warrant Exercise | 226 | 0
Payments on Secured Convertible Notes | (1,200) | (193)
Debt issuance cost | (115) | (294)
Net cash (used in) provided by financing activities, continuing operations | (1,089) | 2,513
Net decrease in cash, cash equivalents, and restricted cash, continuing operations | (2,173) | (395)
Net decrease in cash and cash equivalents, discontinued operations | (206) | (561)
Net decrease in cash, cash equivalents, and restricted cash, consolidated | (2,379) | (956)
Cash, cash equivalents and restricted cash, beginning of year, consolidated | 3,606 | 5,846
Less: Cash and cash equivalents of discontinued operations, end of period | 0 | (16)
Cash, cash equivalents and restricted cash of continuing operations, end of period | 1,227 | 4,874
Supplemental disclosure of cash flow information: |  |
Interest paid in continuing operations | 130 | 47
Interest paid in discontinued operations | 0 | 9
Supplemental disclosure of non-cash information: |  |
Conversion of Preferred Stock to common stock | 1,944 | 849
Down round feature adjustments related to Preferred Stock | 380 | 1,996
Issuance of embedded derivative liability in conjunction with Unsecured Convertible Notes | 224 | 0
Warrant liabilities transferred to equity | 242 | 0
Convertible Notes and May 2023 Warrants [Member] |  |
Financing activities: |  |
Proceeds from issuance of Secured Convertible Notes and May 2023 Warrants, net of discounts | 0 | 3,000
Warrant Liability [Member] |  |
Supplemental disclosure of non-cash information: |  |
Warrant liabilities transferred to equity | $ 312 | $ 1,360

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