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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 | $ (14,130) | $ (9,781)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Change in fair value of derivative financial instruments | (4) | (14,113)
Stock-based compensation expense | 2,529 | 4,691
Unrealized foreign exchange (gain) loss | (182) | 70
Depreciation expense | 119 | 127
Amortization expense | 363 | 64
Provision for doubtful accounts | 140 | 220
Provision for inventory reserve | 205 | 50
Intangible asset impairment | 184 |
Loss from disposal of property and equipment | 110 |
Gain on lease modification | (56) |
Changes in operating assets and liabilities: |  |
Accounts receivable | (4) | (438)
Other receivables | 226 | (278)
Inventory | 4 | (256)
Prepaid expenses | (125) | (163)
Other current assets |  | 264
Operating lease liability | (28) | (13)
Account payable | (635) | (1,116)
Accrued liabilities | (280) | (327)
Deferred revenue | (174) |
Net cash used in operating activities | (11,738) | (20,999)
Cash flows from investing activities |  |
Purchase of property and equipment | (63) | (278)
Proceeds from sale of property and equipment | 61 |
Business acquisitions, net of cash acquired |  | (416)
Internally developed software | (7) | (75)
Net cash used in investing activities | (9) | (769)
Cash flows from financing activities |  |
Proceeds from the issuances of common stock and warrants | 10,653 | 1,685
Share issuance costs | (1,015) | (247)
Proceeds from the exercise of stock options and warrants |  | 215
Proceeds from Paycheck Protection Program Loan | 323 |
Repayment of Paycheck Protection Program Loan | (323) |
Net cash provided by financing activities | 9,638 | 1,653
Effect of foreign exchange rate changes on cash | (19) | (9)
Net decrease in cash | (2,128) | (20,124)
Cash at beginning of year | 5,459 | 25,583
Cash at end of year | 3,331 | 5,459
Supplemental schedule of non-cash investing and financing activities |  |
Share issuance costs included in accounts payable and accrued liabilities | $ 162 | 358
Reclassification of derivative instruments from warrant exercise |  | 35
Noncash items related to Heuro acquisition |  | $ 1,227

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