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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Cash Flows From Operating Activities: |  |
Net loss | $ (15,380) | $ (13,421)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation | 340 | 2,074
Common stock issued to vendor | 0 | 26
Subsidiary stock issues to vendor | 72 | 36
Warrant issued to vendor | 0 | 9
Change in fair value of warrant liabilities | 0 | (4,083)
Depreciation | 240 | 272
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | (788) | 234
Right of use asset | 118 | 0
Accounts payable | 1,282 | (987)
Accrued expenses | 857 | (607)
Accrued employee benefits | (397) | (742)
Lease liability | (217) | 0
Deferred rent | 0 | (90)
Net Cash Used In Operating Activities | (13,873) | (17,279)
Cash Flows From Investing Activities: |  |
Purchases of property and equipment | 0 | (7)
Net Cash Used In Investing Activities | 0 | (7)
Cash Flows From Financing Activities: |  |
Proceeds from Units offering, net of issuance cost | 0 | 16,916
Proceeds from "at the market" stock issuance | 0 | 12,172
Net Cash Provided By Financing Activities | 0 | 29,088
Net increase (decrease) increase in cash | (13,873) | 11,802
Cash and cash equivalents at beginning of year | 28,918 | 17,116
Cash and cash equivalents at end of year | 15,045 | 28,918
NONCASH FINANCING ACTIVITIES: |  |
Conversion of Series B Preferred Stock | 999 | 4,042
Right of use asset from operating lease | 537 | 0
In-kind dividends in preferred stock | 248 | 243
Series B Preferred Stock [Member] |  |
NONCASH FINANCING ACTIVITIES: |  |
Deemed dividends for accretion | $ 525 | $ 11,681

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