Deferred tax assets impairment of available for sale investments.

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- Definition

Deferred tax assets tax other tax loss carryforwards.

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- References

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- Definition

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=123427490&loc=d3e31931-109318

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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- Definition

Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Taxation - Significant Components of Deferred Tax Assets (Detail) ¥ in Thousands, $ in Thousands	Mar. 31, 2023 CNY (¥)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 CNY (¥)	Mar. 31, 2021 CNY (¥)	Mar. 31, 2020 CNY (¥)
Deferred tax assets:
Tax losses carried forward	¥ 125,113		¥ 282,984
Carryforwards of un-deducted advertising expenses	329,868		167,812
Accruals and other liabilities	8,394		5,773
Provision for doubtful accounts	4,312		7,879
Impairment of available-for-sale investments	900		1,255
Less: valuation allowance	(468,587)		(465,703)	¥ (540,973)	¥ (752,907)
Net deferred tax assets	0		0
Deferred tax liabilities:
Recognition of intangible assets arisen from business combination and unrealized holding gain	3,369		12,112
Net deferred tax liabilities	¥ 3,369	$ 491	¥ 12,112