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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Cash flows from operating activities: |  |
Net loss | $ (11,771) | $ (10,398)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Noncash lease expense | 22 | 0
Depreciation and amortization | 778 | 1,465
Amortization of deferred financing costs and debt discount | 354 | 383
Provision for excess inventory | 0 | 433
Change in fair value of warrants | 69 | (1,676)
Allocation of issuance costs associated with warrants | 1,233 | 343
Share-based compensation expense | 106 | 325
Loss on asset disposal | 0 | 23
Loss on sale of business | 6,306 | 0
Increases (decreases) in cash caused by changes in operating assets and liabilities: |  |
Accounts receivable | (4,851) | (316)
Inventories | 274 | 615
Other current assets | 252 | 514
Other assets | 298 | 7
Accounts payable and accrued expenses | (95) | (1,274)
Deferred revenues | 29 | 93
Other long-term liabilities | 54 | (24)
Net cash used in operating activities | (6,942) | (9,487)
Cash flows from investing activities: |  |
Purchases of property and equipment | (8) | (128)
Proceeds from sale of business, net | 2,789 | 0
Net cash provided by (used in) investing activities | 2,781 | (128)
Cash flows from financing activities: |  |
Principal payment of long-term obligations | (642) | 0
Payment of financing lease liability | (75) | 0
Proceeds from exercise of warrants | 491 | 0
Proceeds from sale of common stock, net of offering cost | 15,964 | 6,246
Net cash provided by financing activities | 15,738 | 6,246
Effect of exchange rate changes on cash and cash equivalents | (4) | (10)
Net increase (decrease) in cash and cash equivalents | 11,573 | (3,379)
Cash, cash equivalents, and restricted cash at beginning of period | 5,301 | 10,225
Cash, cash equivalents, and restricted cash at end of period | 16,874 | 6,846
Cash paid during period for: |  |
Interest | 1,071 | 990
Supplemental schedule of non-cash investing and financing activities: |  |
Proceeds from sales of business, net, paid directly to lender for principal payment of long-term obligations | 3,050 | 0
Offering cost paid in warrants | 213 | 0
Unpaid offering costs | 403 | 0
Reclass of warrants upon exercise from liability to equity | $ 794 | $ 0

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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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