Debt instrument number of stock options collateralized.

No definition available.

Name:	bq_DebtInstrumentNumberOfStockOptionsCollateralized
Namespace Prefix:	bq_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount represents outstanding balance paid for advance to related parties.

+ References

No definition available.

+ Details

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Namespace Prefix:	bq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount represents purchase of goods on advance at value.

+ References

No definition available.

+ Details

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Namespace Prefix:	bq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-5

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Average amount borrowed under the credit facility during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.5-02(22)(b))
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-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Maximum amount borrowed under the credit facility at any time during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
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-Topic 946
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-Topic 946
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-Topic 946
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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the maximum amount borrowed at any time during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Balance Type:
Period Type:

- Details

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- Details

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- Details

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Related Party Transactions (Details) ¥ in Thousands, $ in Millions	1 Months Ended					12 Months Ended
	Mar. 31, 2023 CNY (¥)	Jan. 31, 2023 CNY (¥)	Apr. 30, 2021 CNY (¥)	Apr. 30, 2021 USD ($)	Jan. 31, 2021 CNY (¥) shares	Mar. 31, 2024 CNY (¥)	Mar. 31, 2023 CNY (¥)	Mar. 31, 2022 CNY (¥)	Mar. 31, 2022 USD ($)
Related Party Transactions [Line Items]
Withdrawal of loan								¥ 10,000	$ 1.5
Interest bearing rate								3.50%	3.50%
Prepayments to related parties						¥ 4,100	¥ 5,500
Value of the purchased goods							2,000
Shanghai Guangcheng Information [Member]
Related Party Transactions [Line Items]
Principal amount of debt			¥ 33,400	$ 5.0
Short term interest bearing rate			3.50%	3.50%
Total loan facility (in Dollars) \| $				$ 5.0
Wuhan Chunzhijin [Member]
Related Party Transactions [Line Items]
Principal amount of debt						10,000
Conversion of debt into equity interest	¥ 3,400
Superb Origin International Limited [Member]
Related Party Transactions [Line Items]
Payment for advance		¥ 5,500
Nanjing Animal Pharmaceutical [Member]
Related Party Transactions [Line Items]
Payment for advance						¥ 5,400	¥ 350
Fei Wang [Member]
Related Party Transactions [Line Items]
Principal amount of debt					¥ 500
Short term interest bearing rate					4.00%
Loan pledged by stock options (in Shares) \| shares					515,000