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Amounts Due On Mineral Rights Acquisitions (Details)	Mar. 31, 2022 USD ($)
Business Combinations [Abstract]
Amount of debt sold	$ 12,500
Fair value cash	$ 12,500

X

- Definition

Amount of debt sold.

+ References

No definition available.

+ Details

Name:	jshg_AmountOfDebtSold
Namespace Prefix:	jshg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Fair value of debt sold.

+ References

No definition available.

+ Details

Name:	jshg_FairValueOfDebtSold
Namespace Prefix:	jshg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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