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v3.22.2.2

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Cash flows from operating activities: |  |
Net loss | $ (4,440) | $ (6,665)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Common stock issued for services | 21 | 27
Share based compensation | 307 | 606
Depreciation and amortization | 113 | 215
Impairment of intangible assets |  | 236
Gain from sale of fixed assets | (37) |
Gain on forgiveness of Payroll Protection Program Loan and interest |  | (251)
Change in operating assets and liabilities: |  |
Contract assets | (245) | 92
Accounts receivable | (5) |
Prepaid expenses and other assets | (161) | 11
Accounts payable and accrued liabilities | 17 | (160)
Accrued compensation and related taxes | 189 | 441
Contract liabilities | (23) | (94)
Net cash used in operating activities | (4,264) | (5,542)
Cash flows from investing activities: |  |
Acquisition of fixed assets | (5) | (66)
Disbursements for patents and other intangible assets | (114) | (69)
Proceeds from sale of fixed assets | 37 |
Purchases of held-to-maturity short-term US treasuries | (3,900) |
Net cash used in investing activities | (3,982) | (135)
Cash flows from financing activities: |  |
Proceeds from issuance of common stock, net of offering costs | 6,539 | 5,309
Proceeds from exercise of stock options and warrants |  | 385
Net cash provided by financing activities | 6,539 | 5,694
Effect of exchange rate changes on cash and cash equivalents | (20) |
Net change in cash and cash equivalents | (1,727) | 17
Cash and cash equivalents, beginning of period | 7,607 | 8,824
Cash and cash equivalents, end of period | 5,880 | 8,841
Supplemental disclosure of cash flow information: |  |
Officer and employee equity awards for prior year accrued compensation | $ 107 | $ 217

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