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v3.23.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |
Net loss | $ (10,279) | $ (7,886)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Other income | (30) | (876)
Capitalized interest on promissory notes payable | 40 | 0
Gain on forgiveness of PPP loan | 0 | (801)
Depreciation | 159 | 188
Stock-based compensation | 117 | 429
Provision for doubtful accounts receivable | 14 | 6
Provision for slow-moving and obsolete inventories | 32 | 156
Provision for warranties | (111) | 68
Amortization of loan discounts and origination fees | 364 | 230
Loss on impairment | 338 | 0
Change in operating assets and liabilities: |  |
Accounts receivable | 783 | 783
Inventories | 2,358 | (2,381)
Short-term deposits | 120 | 257
Prepaid and other assets | 247 | 669
Accounts payable | (1) | (423)
Accrued and other liabilities | (596) | (380)
Deferred revenue | (268) | 196
Total adjustments | 3,566 | (1,879)
Net cash used in operating activities | (6,713) | (9,765)
Cash flows from investing activities: |  |
Acquisitions of property and equipment | (41) | (443)
Proceeds from the sale of property and equipment | 25 | 0
Net cash used in investing activities | (16) | (443)
Cash flows from financing activities: |  |
Proceeds from the issuance of common stock and warrants | 3,500 | 9,500
Proceeds from the exercise of warrants | 0 | 801
Offering costs paid on the issuance of common stock and warrants | (334) | (969)
Principal payments under finance lease obligations | (1) | (3)
Proceeds from exercise of stock options and purchases through employee stock purchase plan | 6 | 80
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units | 0 | (1)
Proceeds from related party promissory notes payable | 800 |
Payments for deferred financing costs | (114) | (30)
Net payments on credit line borrowings - Credit Facilities | (768) | (181)
Net cash provided by financing activities | 4,099 | 10,712
Net increase in cash | (2,630) | 504
Cash, beginning of year | 2,682 | 2,178
Cash, end of year | 52 | 2,682
Supplemental information: |  |
Cash paid in year for interest | 364 | 381
Cash paid in year for income taxes | 1 | 4
Non-cash investing and financing activities: |  |
Debt-to-equity exchange transactions | 304 | 0
2021 Streeterville Note |  |
Cash flows from financing activities: |  |
Payments on the 2021 Streeterville Note | (1,640) | 0
Proceeds from notes payable | 0 | 1,515
2022 Streeterville Note |  |
Cash flows from financing activities: |  |
Proceeds from notes payable | 2,000 | 0
Promissory Note Payable |  |
Cash flows from financing activities: |  |
Proceeds from notes payable | $ 650 | $ 0

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