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SUMMARY OF VALUATION USING BLACK-SCHOLES PRICING METHOD (Details)	6 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Term	5 years
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Expected Term [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Term		10 years
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Expected Term [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
[custom:DerivativeLiabilitiesMeasurementInputTerm]	1 year 8 months 12 days
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Expected Term [Member] | Minimum [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Term	5 years
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Expected Term [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
[custom:DerivativeLiabilitiesMeasurementInputTerm]	5 years
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Expected Term [Member] | Maximum [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Term	10 years
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Derivative Liability, Measurement Input	50
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | Minimum [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Measurement Input	50	148
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Derivative Liability, Measurement Input	155
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | Maximum [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Measurement Input	157	152
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Derivative Liability, Measurement Input	0.0016
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Measurement Input	0.90	0.68
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Derivative Liability, Measurement Input	1.21
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Measurement Input	1.63	0.85
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Expected Dividend Rate [Member]
Property, Plant and Equipment [Line Items]
Derivative Liability, Measurement Input	0
Valuation Technique, Option Pricing Model [Member] | Measurement Input, Expected Dividend Rate [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Warrants and Rights Outstanding, Measurement Input	0	0

X

- Definition

Derivative liabilities measurement input term.

+ References

No definition available.

+ Details

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Namespace Prefix:	SLBG_
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Balance Type:	na
Period Type:	duration

X

- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

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X

- 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
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X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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X

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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Balance Type:
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