The amount of net tangible liabilities recognized as of the acquisition date.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Business combinations - Acquisition of Guoning Zhonghao (Details) - Guoning Zhonghao			6 Months Ended
	Sep. 27, 2021 CNY (¥)	Sep. 27, 2021 USD ($)	Mar. 31, 2022 CNY (¥)	Mar. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Nov. 22, 2021
Business Acquisition [Line Items]
Percentage of equity interest acquired (in percent)						100.00%
Summary of allocation of the purchase price as of the date of acquisition
Net tangible liabilities (i)			¥ (15,219)		$ (2,401)
Goodwill			(20,219)		(3,189)
Total fair value of purchase price allocation	¥ 5,000	$ 789	5,000	$ 788
Cash			9,941		1,568
Other current assets			840		133
Other current liabilities			¥ 26,000		$ 4,101