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Goodwill | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill |
5. | GOODWILL
The changes in the carrying amount of goodwill for the years ended December 31, 2020 and 2021 were as follows:
|  | As of December 31, |
|  | RMB |  |  | US$ |
Balance at December 31, 2019 |  |  | 145,063,857 |  |  |  | 20,837,119 |
Balance at December 31, 2020 |  |  | 145,063,857 |  |  |  | 22,232,009 |
Goodwill acquired |  |  | 3,594,114 |  |  |  | 563,995 |
Balance at December 31, 2021 |  |  | 148,657,971 |  |  |  | 23,327,680 |

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- Definition The entire disclosure for goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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