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Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - Jun. 30, 2021	USD ($)	CNY (¥)
Cash and Cash Equivalents [Line Items]
Cash, FDIC Insured Amount	$ 250,000
CHINA
Cash and Cash Equivalents [Line Items]
Cash, FDIC Insured Amount	$ 76,000	¥ 500,000

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Details

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Namespace Prefix:
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Balance Type:
Period Type: