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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Cash flows used in operating activities: |  |  |
Net loss | $ (1,087) | $ (3,150) |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |
Depreciation and amortization | 94 | 443 |
Amortization of deferred financing costs and debt discount | 122 | 168 |
Noncash lease expenses | 4 | 0 |
Change in fair value of warrants | (1,667) | (210) |
Share-based compensation expense | 12 | 49 |
Increases (decreases) in cash caused by changes in operating assets and liabilities: |  |  |
Accounts receivable | 191 | (212) |
Inventories | 0 | 16 |
Other current assets | 405 | 16 |
Other assets | 14 | 1 |
Accounts payable and accrued expenses | 410 | (405) |
Deferred revenues | 0 | (25) |
Other long-term liabilities | 0 | 39 |
Net cash used in operating activities | (1,502) | (3,270) |
Cash flows used in investing activities: |  |  |
Purchases of property and equipment | (11) | (6) |
Net cash used in investing activities | (11) | (6) |
Cash flows (used in) provided by financing activities: |  |  |
Payment of financing lease liability | (18) | (28) |
Proceeds from sale of common stock, net | 0 | 1,919 |
Net cash (used in) provided by financing activities | (18) | 1,891 |
Effect of exchange rate changes on cash and cash equivalents | 0 | (4) |
Net decrease in cash and cash equivalents | (1,531) | (1,389) |
Cash, cash equivalents, and restricted cash at beginning of period | 17,592 | 5,301 | $ 5,301
Cash, cash equivalents, and restricted cash at end of period | 16,061 | 3,912 | $ 17,592
Cash paid during period for: |  |  |
Interest | $ 227 | $ 347 |

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