XML 74 R41.htm IDEA: XBRL DOCUMENT
v3.21.1

Taxation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Taxation |
Schedule of reconciliation of the differences between the statutory income tax rate |
|  | For the year ended
|  | December 31,
|  | 2018 |  | 2019 |  | 2020
|  | % |  | % |  | %
Statutory income tax rate of the PRC |  | 25.0 |  | 25.0 |  | 25.0
Permanent differences |  | (10.4) |  | (10.0) |  | —
Change in valuation allowance |  | (14.6) |  | (15.0) |  | (25.0)
Others |  | — |  | — |  | (0.6)
Effective income tax rate |  | — |  | — |  | (0.6)
Schedule of net operating tax loss carry forwards | As of December 31, 2020, certain entities of the Company had net operating tax loss carry forwards as follows:
|  | RMB
Loss expiring in 2021 |  | 15,110
Loss expiring in 2022 |  | 17,811
Loss expiring in 2023 |  | 64,758
Loss expiring in 2024 |  | 179,412
Loss expiring in 2025 |  | 68,548
|  | 345,639
Schedule of temporary differences to the deferred tax assets and liabilities | The following table presents the tax impact of significant temporary differences that give rise to the deferred tax assets as of December 31, 2019 and 2020:
|  | December 31, 2019 |  | December 31, 2020
|  | RMB |  | RMB
Deferred tax assets: |  |  |  |
Advertising expense in excess of deduction limit |  | 43,262 |  | 20,871
Accrued expense and other payables |  | 6,615 |  | 13,422
Net operating tax loss carry forwards (Note) |  | 39,836 |  | 86,410
Total deferred tax assets |  | 89,713 |  | 120,703
Less: valuation allowance |  | (89,713) |  | (120,703)
Net deferred tax assets |  | — |  | —
Note: Upon the acquisition of Longye on January 13, 2020, the Group recorded deferred tax assets due to tax losses and related valuation allowance by approximately RMB1,494 (US$229) and RMB1,494 (US$229), respectively.
Schedule of aggregate valuation allowances for deferred tax assets | valuation allowances on the related deferred tax assets. The following table sets forth the movement of the aggregate valuation allowances for deferred tax assets for the periods presented:
|  | Balance at January 1 |  | Addition |  | Balance at December 31
|  | RMB |  | RMB |  | RMB
2018 |  | (48,555) |  | (14,159) |  | (62,714)
2019 |  | (62,714) |  | (26,999) |  | (89,713)
2020 |  | (89,713) |  | (30,990) |  | (120,703)
|  | December 31, 2019 |  | December 31, 2020
|  | RMB |  | RMB
Deferred tax liabilities: |  |  |  |
Identifiable intangible assets arising from acquisition |  | — |  | 5,451
Total deferred tax liabilities |  | — |  | 5,451

X
- Definition Represent information about deduction against future taxable profit. + References No definition available. + Details
Name: | tc_ScheduleOfFutureTaxableProfitTableTextBlock
Namespace Prefix: | tc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
Name: | us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
Name: | us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
Name: | us-gaap_SummaryOfValuationAllowanceTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration