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v3.20.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities: |  |
Net loss (including noncontrolling interests) | $ (5,802) | $ (3,942)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense |  | 29
Bad debt expense | 105 |
Write-off of prepaids | 414 |
Depreciation and amortization | 855 | 1,008
Amortization of operating lease right-of-use assets | 404 |
Loss on disposal of property and equipment |  | 6
Changes in operating assets and liabilities: |  |
Accounts receivable | 397 | 481
Projects in process | (8) | 1
Inventory | 124 | (142)
Prepaid expenses and other current assets | (19) | 556
Accounts payable and accrued expenses | 454 | 41
Deferred revenues | (429) | (897)
Operating lease obligations | (12) |
Net cash used in operating activities | (3,517) | (2,859)
Cash flows from investing activities: |  |
Purchase of property and equipment | (89) | (236)
Proceeds from sale of property and equipment |  | 4
Net cash used in investing activities | (89) | (232)
Cash flow from financing activities: |  |
Proceeds from issuance of common stock and warrants, net of offering costs | 36 | 4,620
Principal payments on finance lease obligations | (535) | (551)
Net cash (used in) provided by financing activities | (499) | 4,069
Effect of exchange rate changes on cash | (93) | (219)
Net change in cash | (4,198) | 759
Cash at beginning of year | 6,555 | 5,796
Cash at end of year | 2,357 | 6,555
Supplemental disclosure of cash flow information: |  |
Cash paid for interest | 34 | 49
Cash paid for income taxes | 38 | 13
Supplemental disclosure of non-cash investing and financing activities: |  |
Purchase of equipment with finance lease obligations |  | $ 169

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