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v3.20.2

Consolidated statements of cash flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Operating activities |  |
Net loss | $ (128,617) | $ (83,274)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Provision for expected credit losses | 2 |
Inventory write-down | 7 |
Depreciation and amortization expenses | 2,107 | 1,563
Amortization of deferred income | (156) | (156)
Share-based compensation | 13,427 | 9,294
Share of loss from equity method investment | 406 | 316
Loss on disposal of property and equipment | 1 | 10
Noncash lease expenses | 2,114 | 1,037
Changes in operating assets and liabilities: |  |
Accounts receivable | (3,235) | (2,393)
Inventories | (571) | (137)
Prepayments and other current assets | (948) | (361)
Long term deposits | (335) | 167
Value added tax recoverable | (2,422) | (3,126)
Accounts payable | 9,732 | (9,707)
Other current liabilities | 4,697 | 4,027
Operating lease liabilities | (1,539) | (1,051)
Deferred income | 13,011 | 607
Net cash used in operating activities | (92,319) | (83,184)
Cash flows from investing activities: |  |
Purchases of short-term investments | (205,000) | (201,600)
Proceeds from maturity of short-term investments | 200,000 | 100,350
Purchase of property and equipment | (1,303) | (4,077)
Purchase of intangible assets | (218) | (690)
Net cash used in investing activities | (6,521) | (106,017)
Cash flows from financing activities: |  |
Proceed from short-term borrowings |  | 2,954
Repayment of short-term borrowings | (2,130) | (739)
Proceeds from exercises of stock options | 3,075 | 304
Proceeds from issuance of ordinary shares upon public offerings | 281,295 | 216,200
Payment of public offering costs | (740) | (839)
Net cash provided by financing activities | 281,500 | 217,880
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash | 12 | (28)
Net increase in cash, cash equivalents and restricted cash | 182,672 | 28,651
Cash, cash equivalents and restricted cash - beginning of the period | 76,442 | 62,952
Cash, cash equivalents and restricted cash - end of the period | 259,114 | 91,603
Supplemental disclosure on non-cash investing and financing activities: |  |
Payables for purchase of property and equipment | 984 | 268
Payables for public offering costs |  | 150
Supplemental disclosure of cash flow information: |  |
Total cash and cash equivalents and restricted cash | 259,114 | 91,603
Interest expense paid | $ 122 | $ 137

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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash inflow from a borrowing having initial term of repayment within one year or 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 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition The cash outflow for a borrowing having initial term of repayment within one year or 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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- References No definition available. + Details
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- Definition Amortization of deferred income. + References No definition available. + Details
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- Definition Increase decrease in long term deposits. + References No definition available. + Details
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- Definition Increase (decrease) in operating lease liabilities. + References No definition available. + Details
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- Definition Non-cash lease expenses. + References No definition available. + Details
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- Definition Payables for initial public offering costs. + References No definition available. + Details
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