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v3.20.4

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities: |  |
Net loss | $ (8,141) | $ (19,352)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Equity-based compensation expense | 1,265 | 1,295
Depreciation and amortization | 63 | 65
Amortization/accretion on marketable securities | 307 | 232
Changes in operating assets and liabilities: |  |
Prepaid and other current assets | 56 | 238
Other assets | 466 | 504
Accounts payable, accrued liabilities and other liabilities | (2,839) | (1,864)
Net cash used in operating activities | (8,823) | (18,882)
Cash flows from investing activities: |  |
Purchase of marketable securities | (34,799) | (32,938)
Sales of marketable securities | 27,542 | 54,370
Purchases of property and equipment | (20) | 0
Net cash (used in) provided by investing activities | (7,277) | 21,432
Cash flows from financing activities: |  |
Tax withholding payments on net share settlement equity awards | (148) | (130)
Net proceeds from issuance of capital stock | 18,728 | 1,313
Net cash provided by financing activities | 18,580 | 1,183
Net increase in cash and cash equivalents | 2,480 | 3,733
Cash and cash equivalents at beginning of year | 14,032 | 10,299
Cash and cash equivalents at end of year | 16,512 | 14,032
Supplemental Disclosure of Cash Flow Information: |  |
Interest | 0 | 0
Taxes | $ 0 | $ 0

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