Subsequent Events	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	15. SUBSEQUENT EVENTS The Group has performed an evaluation of subsequent events through the date the financial statements were issued and has determined that there are no events that would have required adjustment or disclosure in the financial statements.	27. SUBSEQUENT EVENTS On February 2, 2021, the Company closed its public offering of 4,938,271 Class A ordinary shares and warrants and obtained approximately RMB 120,791 (US$ 18,512). Other than the subsequent event described above, the Company did not identify any subsequent events that would have required adjustment or disclosure on the combined and consolidated financial statements.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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