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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following is a continuity schedule of accumulated other comprehensive income (loss):
| 2020 |  | 2019 |  | 2018
Net unrealized gain (loss) on revaluation and disposal of other investments |  |  |  |  |
Balance at January 1 | $ | 5 |  |  | $ | 5 |  |  | $ | 446 |
Cumulative effect from adoption of ASU 2016-01 | — |  |  | — |  |  | (444) |
Net unrealized (loss) gain | — |  |  | — |  |  | 3 |
Balance at December 31 | 5 |  |  | 5 |  |  | 5 |
Net foreign exchange gain (loss) on translation of foreign operations |  |  |  |  |
Balance at January 1 | 27,833 |  |  | (9,875) |  |  | 2,456 |
Net unrealized (loss) gain | 15,161 |  |  | 37,708 |  |  | (12,331) |
Balance at December 31 | 42,994 |  |  | 27,833 |  |  | (9,875) |
Total other comprehensive income (loss) | $ | 42,999 |  |  | $ | 27,838 |  |  | $ | (9,870) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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