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Income Taxes (Details) - Schedule of reconciliation between the income tax expense - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule of reconciliation between the income tax expense [Abstract] |  |  |
Loss before income tax | $ (33,624) | $ (59,474) | $ (54,266)
Tax credit at the U.S. federal corporate income tax rate of 21% | (7,061) | (12,490) | (11,396)
Tax effect of permanent differences | (2,152) | (2,961) | (4,033)
Tax effect of income tax rate difference in other jurisdictions | 2,511 | 4,076 | 3,417
Changes in valuation allowance | 6,702 | 11,669 | 17,943
Others | 1 | (105) | 494
Income tax expense | $ 1 | $ 189 | $ 6,425

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- Definition Income tax expense + References No definition available. + Details
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- Definition Tax effect of income tax rate difference in other jurisdictions. + References No definition available. + Details
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- Definition Income tax reconciliation in permanent differences. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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