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v3.20.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Cash flows from operating activities: |  |
Net loss | $ (2,709) | $ (14,399)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Share-based compensation | 1,090 | 1,047
Depreciation and amortization | 46 | 50
Accretion on marketable securities | 172 | 172
Changes in operating assets and liabilities: |  |
Prepaid and other current assets | (174) | (30)
Other assets | 387 | 272
Accounts payable, accrued liabilities and other liabilities | (2,068) | (1,774)
Net cash used in operating activities | (3,256) | (14,662)
Cash flows from investing activities: |  |
Purchase of marketable securities | (21,819) | (32,312)
Sale of marketable securities | 13,646 | 48,441
Purchase of property and equipment | (14) | 0
Net cash provided by (used in) investing activities | (8,187) | 16,129
Cash flows from financing activities: |  |
Tax withholding payments on net share settlement equity awards | (148) | (130)
Net proceeds from issuance of common stock | 18,715 | 1,038
Net cash provided by financing activities | 18,567 | 908
Net increase in cash and cash equivalents | 7,124 | 2,375
Cash and cash equivalents at beginning of period | 14,032 | 10,299
Cash and cash equivalents at end of period | $ 21,156 | $ 12,674

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