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v3.10.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities: |  |
Net loss (including noncontrolling interests) | $ (3,942) | $ (5,495)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 29 | 72
Depreciation and amortization | 1,008 | 953
Loss on disposal of property and equipment | 6 |
Changes in operating assets and liabilities: |  |
Accounts receivable | 481 | 542
Projects in process | 1 | (1)
Inventory | (142) | (372)
Prepaid expenses and other current assets | 556 | 293
Accounts payable and accrued expenses | 41 | (896)
Deferred revenues | (897) | (677)
Net cash used in operating activities | (2,859) | (5,581)
Cash flows from investing activities: |  |
Purchase of property and equipment | (236) | (656)
Proceeds from sale of property and equipment | 4 |
Net cash used in investing activities | (232) | (656)
Cash flow from financing activities: |  |
Proceeds from issuance of common stock and warrants, net of offering costs | 4,620 | 9,079
Proceeds from note payable |  | 1,713
Payments on note payable |  | (1,713)
Principal payments on capital lease obligations | (551) | (438)
Net cash provided by financing activities | 4,069 | 8,641
Effect of exchange rate changes on cash | (219) | (84)
Net change in cash | 759 | 2,320
Cash at beginning of year | 5,796 | 3,476
Cash at end of year | 6,555 | 5,796
Supplemental disclosure of cash flow information: |  |
Cash paid for interest | 49 | 73
Cash paid for income taxes | 13 | 219
Supplemental disclosure of non-cash investing and financing activities: |  |
Purchase of equipment with capital lease obligations | $ 169 | $ 1,287

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