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v3.22.4

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |
Net loss (including noncontrolling interests) | $ (5,283) | $ (7,268)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 122 | 157
Depreciation and amortization | 120 | 632
Amortization of operating lease right-of-use assets | 399 | 505
Recoveries of bad debt | (46) |
Changes in operating assets and liabilities: |  |
Accounts receivable and unbilled revenue, net | (136) | 434
Projects in process |  |
Inventory | (1,133) | (1,440)
Prepaid expenses and other current assets | 37 | 247
Accounts payable and accrued expenses | (460) | (406)
Deferred revenues | (65) | (28)
Operating lease obligations | (363) | (511)
Net cash used in operating activities | (6,808) | (7,678)
Cash flows from investing activities: |  |
Purchase of property and equipment | (52) | (67)
Net cash used in investing activities | (52) | (67)
Cash flow from financing activities: |  |
Proceeds from issuance of common stock, net of offering costs | 4,686 | 15,062
Repurchase of common stock | (12) |
Principal payments on finance lease obligations | (165) | (487)
Net cash provided by financing activities | 4,509 | 14,575
Effect of exchange rate changes on cash | (216) | 80
Net change in cash | (2,567) | 6,910
Cash at beginning of year | 17,383 | 10,473
Cash at end of year | 14,816 | 17,383
Supplemental disclosure of cash flow information: |  |
Cash paid for interest | 9 | 15
Cash paid for income taxes | 132 | 146
Supplemental disclosure of non-cash investing and financial activities: |  |
Right-of-use asset obtained in exchange for finance lease obligations | 24 | $ 239
Acquisition of Pronode shares | $ 4,441 |

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