SCHEDULE OF WARRANTS GRANTED VALUATION USING BLACK-SCHOLES PRICING METHOD (Details)	9 Months Ended	12 Months Ended
Jan. 31, 2023	Apr. 30, 2022
Property, Plant and Equipment [Line Items]
Warrants measurement input, term	5 years
Measurement Input, Expected Dividend Rate [Member] \| Valuation Technique, Option Pricing Model [Member]
Property, Plant and Equipment [Line Items]
Derivative liability measurement input	0	0
Measurement Input, Expected Dividend Rate [Member] \| Valuation Technique, Option Pricing Model [Member] \| Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants measurement input, rate	0	0
Minimum [Member] \| Measurement Input, Expected Term [Member] \| Valuation Technique, Option Pricing Model [Member]
Property, Plant and Equipment [Line Items]
Derivative liabilities measurement input	3 years 6 months 3 days	1 year 11 months 12 days
Minimum [Member] \| Measurement Input, Expected Term [Member] \| Valuation Technique, Option Pricing Model [Member] \| Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants measurement input, term	5 years	5 years
Minimum [Member] \| Measurement Input, Price Volatility [Member] \| Valuation Technique, Option Pricing Model [Member]
Property, Plant and Equipment [Line Items]
Derivative liability measurement input	50	50
Minimum [Member] \| Measurement Input, Price Volatility [Member] \| Valuation Technique, Option Pricing Model [Member] \| Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants measurement input, rate	50	50
Minimum [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Valuation Technique, Option Pricing Model [Member]
Property, Plant and Equipment [Line Items]
Derivative liability measurement input	2.90	2.67
Minimum [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Valuation Technique, Option Pricing Model [Member] \| Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants measurement input, rate	2.50	0.77
Maximum [Member] \| Measurement Input, Expected Term [Member] \| Valuation Technique, Option Pricing Model [Member]
Property, Plant and Equipment [Line Items]
Derivative liabilities measurement input	10 years	4 years 3 months 18 days
Maximum [Member] \| Measurement Input, Expected Term [Member] \| Valuation Technique, Option Pricing Model [Member] \| Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants measurement input, term	10 years	10 years
Maximum [Member] \| Measurement Input, Price Volatility [Member] \| Valuation Technique, Option Pricing Model [Member]
Property, Plant and Equipment [Line Items]
Derivative liability measurement input	150
Maximum [Member] \| Measurement Input, Price Volatility [Member] \| Valuation Technique, Option Pricing Model [Member] \| Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants measurement input, rate	150	148
Maximum [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Valuation Technique, Option Pricing Model [Member]
Property, Plant and Equipment [Line Items]
Derivative liability measurement input	4.34	2.90
Maximum [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Valuation Technique, Option Pricing Model [Member] \| Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants measurement input, rate	4.27	1.63

Derivative liabilities measurement inpu term.

No definition available.

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Namespace Prefix:	CNXA_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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Period Type:	instant

- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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