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Summary of significant accounting policies (Tables) | 9 Months Ended
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Sep. 30, 2021
Accounting Policies [Abstract] |
Schedule of estimated useful lives of intangible assets | Intangible assets acquired individually or with a group of other assets or in a business combination and developed internally are carried at cost less accumulated amortization and accumulated impairment loss based on their estimated useful lives as follows:
Customer-related intangible assets | 1 | - | 11 years
Marketing-related intangible assets | 1 | - | 10 years
Technology-related intangible assets | 2 | - | 8 years

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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