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Significant accounting policies (Details) - Schedule of estimated useful lives | 12 Months Ended
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Dec. 31, 2020
Significant accounting policies (Details) - Schedule of estimated useful lives [Line Items] |
Leasehold improvements | Shorter of the lease term and the estimated useful lives of the assets
Building [Member] |
Significant accounting policies (Details) - Schedule of estimated useful lives [Line Items] |
Estimated Useful Lives | 20 years
Motor vehicles [Member] |
Significant accounting policies (Details) - Schedule of estimated useful lives [Line Items] |
Estimated Useful Lives | 5 years
Equipment, fixture and furniture, and other fixed assets [Member] | Minimum [Member] |
Significant accounting policies (Details) - Schedule of estimated useful lives [Line Items] |
Estimated Useful Lives | 2 years
Equipment, fixture and furniture, and other fixed assets [Member] | Maximum [Member] |
Significant accounting policies (Details) - Schedule of estimated useful lives [Line Items] |
Estimated Useful Lives | 10 years

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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