Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 360
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 10
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8))
-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Paragraph 1
-Publisher FASB
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Name:	us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Property and Equipment, Net (Details) - Schedule of Property and Equipment, Net ¥ in Thousands, $ in Thousands	Jun. 30, 2023 CNY (¥)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)
At cost:
Total cost			¥ 10,890	$ 1,579	¥ 8,056
Less: accumulated depreciation			(8,155)	(1,182)	(6,382)
Property and equipment, net	¥ 2,303	$ 318	2,735	397	1,674
Computer and transmission equipment [Member]
At cost:
Total cost			8,953	1,298	7,472
Furniture, fixtures and office equipment [Member]
At cost:
Total cost			¥ 1,937	$ 281	¥ 584