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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended | 18 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2025 | Mar. 31, 2024 | Sep. 30, 2024 | Mar. 31, 2025
Operating Activities: |  |  |  |  |  |  |  |
Net loss | $ (6,139) | $ (4,078) | $ (6,938) | $ (6,724) | $ (10,217) | $ (13,662) |  |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  | 1,428 | 1,460 |  |
Warranty provision |  |  |  |  | (12) | (46) |  |
Inventory obsolescence |  |  |  |  | 165 | 65 |  |
Loss on disposition of fixed assets |  |  |  |  | 6 | 2 |  |
Stock-based compensation |  |  |  |  | 805 | 970 |  |
Partial release of valuation allowance |  |  |  |  | 0 | (525) |  |
Gain on change in fair value of warrants |  |  |  |  | (3,420) | 0 |  |
Loss on change in fair value of Term Loan |  |  |  |  | 800 | 0 |  |
Amortization of operating lease right of use asset |  |  |  |  | 379 | 387 |  |
Accretion of acquisition holdback liability |  |  |  |  | 0 | 10 |  |
Remeasurement of acquisition contingent consideration |  |  |  |  | 0 | 44 |  |
Accretion of investment of marketable securities |  |  |  |  | (40) | 0 |  |
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |
Accounts receivable, net |  |  |  |  | (340) | 3,277 |  |
Inventories, net |  |  |  |  | (1,527) | (128) |  |
Prepaid expenses and other |  |  |  |  | (1,369) | (4,425) |  |
Accounts payable |  |  |  |  | 151 | (196) |  |
Accrued and other liabilities |  |  |  |  | 7,816 | 271 |  |
Net cash used in operating activities |  |  |  |  | (5,375) | (12,496) |  |
Investing Activities: |  |  |  |  |  |  |  |
Purchases of marketable securities |  |  |  |  | (1,401) | (8,210) |  |
Proceeds from maturities of marketable securities |  |  |  |  | 8,086 | 6,688 |  |
Cash paid for acquisitions net of cash acquired |  |  |  |  | 0 | (908) |  |
Cash paid for asset purchase holdback liability |  |  |  |  | 0 | (764) |  |
Capital expenditures |  |  |  |  | (224) | (153) |  |
Net cash provided by (used in) investing activities |  |  |  |  | 6,461 | (3,347) |  |
Financing Activities: |  |  |  |  |  |  |  |
Proceeds from exercise of stock options |  |  |  |  | 43 | 0 |  |
Proceeds from offering of common stock, net of issuance costs |  |  |  |  | 0 | 10,449 |  |
Payment of contingent consideration |  |  |  |  | 0 | (219) |  |
Shares retained for payment of taxes in connection with settlement of restricted stock units |  |  |  |  | (18) | (12) |  |
Net cash provided by financing activities |  |  |  |  | 25 | 10,218 |  |
Effect of foreign exchange rate on cash |  |  |  |  | (54) | (4) |  |
Net increase (decrease) in cash, cash equivalents, and restricted cash |  |  |  |  | 1,057 | (5,629) |  |
Cash, cash equivalents and restricted cash, beginning of period |  | $ 5,290 |  | $ 9,519 | 5,290 | 9,519 | $ 9,519 |
Cash, cash equivalents and restricted cash, end of period | 6,347 |  | 3,890 |  | 6,347 | 3,890 | 5,290 | $ 6,347
Cash and cash equivalents | 5,667 |  | 3,544 |  | 5,667 | 3,544 | 4,945 | 5,667
Restricted cash, current portion | 95 |  | 0 |  | 95 | 0 |  | 95
Long-term restricted cash | 585 |  | 346 |  | 585 | 346 |  | 585
Total cash, cash equivalents and restricted cash shown in the consolidated statement of cash flows | $ 6,347 |  | $ 3,890 |  | 6,347 | 3,890 | 5,290 | 6,347
Noncash investing and financing activities: |  |  |  |  |  |  |  |
Change in unrealized loss on marketable securities |  |  |  |  | (8) | 7 |  |
Purchases of property and equipment included in accounts payable and accrued liabilities |  |  |  |  | 27 | 0 |  |
Supplemental disclosure of cash flow information |  |  |  |  |  |  |  |
Cash paid for interest |  |  |  |  | 718 | 0 |  |
Cash paid for taxes |  |  |  |  | 15 | 0 |  |
Evertel Technologies, LLC [Member] |  |  |  |  |  |  |  |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |  |  |  |  |
Remeasurement of acquisition contingent consideration |  |  |  |  |  |  |  | $ 16
Financing Activities: |  |  |  |  |  |  |  |
Payment of contingent consideration |  |  |  |  | (219) |  | $ (219) |
Noncash investing and financing activities: |  |  |  |  |  |  |  |
Obligation to issue common stock in connection with the Evertel acquisition |  |  |  |  | 0 | (685) |  |
Shares issued |  |  |  |  | 0 | (1,924) |  |
Contingent consideration payable in connection with the Evertel acquisition |  |  |  |  | 0 | (60) |  |
Holdback liability payable in connection with the Evertel acquisition |  |  |  |  | 0 | (240) |  |
Evertel Technologies, LLC [Member] | Contingent Consideration Liability [Member] |  |  |  |  |  |  |  |
Noncash investing and financing activities: |  |  |  |  |  |  |  |
Shares issued |  |  |  |  | $ 0 | $ (656) |  |

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