Average daily trading volume.

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Convertible Notes Term Yield Percentage.

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Debt Instrument Conversion Price, Percentage of Thirty Day Average Closing Price

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Minimum threshold on offering value.

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Minimum threshold on period for offering after the debt issuance date.

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Number of trading days for determining the share price.

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Percentage of warrants to purchase ADS.

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Warrants and notes discount on notes.

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Warrants and rights granted weight average life.

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Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value portion of notes payable.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Price of a single share of a number of saleable stocks of a company.

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CONVERTIBLE NOTE, NET - Additional Information (Detail) $ / shares in Units, ¥ in Thousands, $ in Thousands				6 Months Ended				20 Months Ended
	May 25, 2022	May 13, 2022	Jul. 22, 2020 USD ($)	Mar. 31, 2022 CNY (¥) TradingDays	Mar. 31, 2022 USD ($) TradingDays	Mar. 31, 2021 CNY (¥)	Mar. 31, 2021 USD ($)	Mar. 31, 2022 CNY (¥)	Mar. 31, 2022 USD ($) $ / shares
Debt Instrument [Line Items]
Warrants and rights granted weight average life			5 years
Debt instrument conversion price percentage				80.00%	80.00%
Debt instrument convertible threshold consecutive trading days \| TradingDays				60	60
Average daily trading volume \| $									$ 15,000
Percentage of warrants to purchase ADS				4.00%				4.00%	4.00%
Proceeds from convertible notes				¥ 17,832	$ 2,813	¥ 84,638	$ 12,880
Adjustments to additional paid in capital warrants issued				1,420		309		¥ 8,596
Accretion of interest expenses				¥ 981		¥ 678
Warrants to subscribe ADS [Member]
Debt Instrument [Line Items]
Class of warrants or rights exercise price as a percentage of volume weighted average price of the shares				110.00%				110.00%	110.00%
Number of tradings days for determning the share price				60 days	60 days
ADS [Member]
Debt Instrument [Line Items]
Debt instrument conversion price, percentage of thirty day average closing price				120.00%	120.00%
Minimum threshold on offering value \| $									$ 50,000
Minimum threshold on period for offering after the debt issuance date				18 months	18 months
Share price \| $ / shares									$ 22.00
ADS [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Debt instrument conversion price, percentage of fifteen trading day average closing price	75.00%
Number of shares convertible for each notes		150
July Convertible Notes [Member]
Debt Instrument [Line Items]
Convertible notes term yield percentage				18.12%				18.12%	18.12%
September Convertible Notes [Member]
Debt Instrument [Line Items]
Convertible notes term yield percentage				25.58%				25.58%	25.58%
July And September Convertible Notes
Debt Instrument [Line Items]
Fair value of convertible notes				¥ 286,098				¥ 286,098
Proceeds from convertible notes				6,052
Warrants and notes discount on notes				¥ 8,596
Maximum
Debt Instrument [Line Items]
Debt annual interest rate				25.00%				25.00%	25.00%
Notes payable series 1 [Member]
Debt Instrument [Line Items]
Debt annual interest rate				4.00%				4.00%	4.00%
Notes payable series 2 [Member]
Debt Instrument [Line Items]
Debt annual interest rate				6.00%				6.00%	6.00%
Notes payable series 3 [Member]
Debt Instrument [Line Items]
Debt annual interest rate				7.00%				7.00%	7.00%
Notes payable series 4 [Member]
Debt Instrument [Line Items]
Debt annual interest rate				8.00%				8.00%	8.00%
Convertible Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount \| $			$ 100,000
Debt term			4 years
Convertible Debt [Member] \| Series 1 note [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				¥ 344,619				¥ 344,619	$ 51,637
Convertible Debt [Member] \| Series 1 note [Member] \| Interest payable in cash annually [Member]
Debt Instrument [Line Items]
Debt annual interest rate			7.50%
Convertible Debt [Member] \| Series 1 note [Member] \| Interest payable in cash at maturity [Member]
Debt Instrument [Line Items]
Debt annual interest rate			7.50%
Convertible Debt [Member] \| Series Two Note \| Interest payable in cash annually [Member]
Debt Instrument [Line Items]
Debt annual interest rate			3.50%
Convertible Debt [Member] \| Series Two Note \| Interest payable in cash at maturity [Member]
Debt Instrument [Line Items]
Debt annual interest rate			13.50%