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v3.21.2

Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash flows from operating activities: |  |
Net loss | $ (9,343) | $ (8,118)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Change in fair value of derivative financial instruments |  | (3)
Stock-based compensation expense | 3,156 | 1,571
Unrealized foreign exchange (gain) loss | (323) | 433
Depreciation expense | 56 | 67
Amortization expense | 106 | 215
(Recovery of) provision for doubtful accounts | (11) | 153
Non-cash lease expense | 30 | 196
Intangible asset impairment |  | 181
Loss from disposal of property and equipment |  | 110
Gain on lease modification |  | (56)
Changes in operating assets and liabilities: |  |
Accounts receivable | 34 | 1
Other receivables | (13) | 226
Inventory | (118) | 28
Prepaid expenses | (98) | (105)
Operating lease liability | (31) | (126)
Accounts payable | 229 | (1,288)
Accrued liabilities | (366) | (381)
Deferred revenue | 2 | (83)
Net cash used in operating activities | (6,690) | (6,979)
Cash flows from investing activities: |  |
Purchase of property and equipment | (19) | (3)
Proceeds from sale of property and equipment |  | 61
Internally developed software | (2) | (7)
Net cash (used in) provided by investing activities | (21) | 51
Cash flows from financing activities: |  |
Proceeds from the issuances of common stock and warrants | 11,037 | 7,233
Share issuance costs | (1,523) | (506)
Proceeds from the exercise of warrants and stock options | 1,320 |
Proceeds from Paycheck Protection Program Loan |  | 323
Repayment of Paycheck Protection Program Loan |  | (323)
Net cash provided by financing activities | 10,834 | 6,727
Effect of foreign exchange rate changes on cash | (29) | 6
Net increase (decrease) in cash | 4,094 | (195)
Cash at beginning of period | 3,331 | 5,459
Cash at end of period | $ 7,425 | 5,264
Supplemental schedule of non-cash financing activities |  |
Share issuance costs included in accounts payable and accrued liabilities |  | $ 54

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