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Inventories (Details) - USD ($)	3 Months Ended
	Jun. 30, 2024	Mar. 31, 2024
Inventories [Abstract]
Inventory valuation reserve (in Dollars)
Inventory actual sales orders received, percentage	99.90%	99.90%
Inventories on hand unfulfilled sales orders, percentage	0.10%

X

- Definition

The percentage of inventories held on hand unfulfilled sales orders.

+ References

No definition available.

+ Details

Name:	jrsh_InventoriesHeldOnHandUnfulfilledSalesOrdersPercentage
Namespace Prefix:	jrsh_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of inventory were directly tied to actual sales orders received.

+ References

No definition available.

+ Details

Name:	jrsh_InventoryActualSalesOrdersReceivedPercentage
Namespace Prefix:	jrsh_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

Amount of valuation reserve for inventory.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 330
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.BB)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480581/330-10-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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