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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities: |  |
Net loss | $ (16,152) | $ (9,402)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Amortization of debt discount and debt issuance cost | 1,626 | 496
Bad debt expense | 166 | 82
Loss on settlement of liabilities | 1,363 | (118)
Changes in deferred tax assets and liabilities | (1,477) |
Change in allowance for sales returns and volume rebate | 73 | (248)
Change in inventory reserve | 155 | (13)
Change in fair value of derivative liabilities | 216 | (245)
Shares issued for interest payment on notes payable | 499 | 78
Stock compensation expense | 1,628 | 1,138
Other share-based payments | 7 | 48
Depreciation and amortization | 2,608 | 909
Changes in operating assets and liabilities: |  |
Accounts receivable - trade | (212) | 142
Inventories | 795 | 1,295
Prepaid expenses and other current assets | (1,994) | (447)
Other assets | 6 | (2)
Accounts payable and accrued expenses | 2,176 | 2,856
Other short-term liabilities | 906 | 26
Warranty reserve | 76 | 61
Accounts payable and accrued expenses - related parties | 37 | (978)
Deferred revenues | 2,847 | 177
Other liabilities | (12) | 17
Net cash used in operating activities | (4,664) | (4,263)
Cash flows from investing activities: |  |
Cash receipts from acquisitions | 6,050 | 10
Cash paid for acquisitions | (51,103) |
Cash paid for furniture and fixtures | (265) | (4)
Net cash (used in), provided by investing activities | 45,318 | 6
Cash flows from financing activities: |  |
Proceeds from short-term debt | 10,067 | 22,775
Principal payments on short-term debt | (8,608) | (23,328)
Proceeds from subscriptions receivable |  | 25
Proceeds from convertible debt, net | 20,750 | 5,250
Payment of earn-out payable - related party |  | (23)
Debt issuance cost | (20) | (214)
Payments of fixed dividends to Series B Preferred stockholders Proceeds from issuance of common stock | (338) |
Proceeds from issuance of common stock | 42,718 |
Proceeds from the Payment Protection Plan | 1,009 |
Net cash provided by financing activities | 65,578 | 4,460
Effect of currency exchange rates | (3,309) | 68
Net increase in cash and cash equivalents | 12,287 | 272
Cash and cash equivalents, beginning of the year | 1,173 | 901
Cash and cash equivalents, end of the year | 13,460 | 1,173
Supplemental cash flows disclosures: |  |
Cash paid for interest | 2,316 | 1,773
Cash paid for income taxes | 542 |
Non-cash investing and financing activities: |  |
Preferred shares issued as consideration for acquisition of Sahara | 28,876 |
Note payable issued as consideration for acquisition of MyStemkits | 175 |
Shares to settle accounts payable | 1,269 |
Shares issued to convert notes payable - Harbor Gates |  | 383
Shares issued to convert notes payable - Lind Global | 10,233 | 1,084
Shares and notes payable issued as consideration for acquisition of Modern Robotics, Inc. net of cash received |  | 560
Shares issued for closing fees related to outstanding notes payable - Lind Global | 517 | 368
Shares issued to convert preferred stock |  | $ 8

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