Represents the prior notice time period for terminating the employment agreement.

No definition available.

Name:	jshy_EmploymentAgreementTerminationNoticePeriod
Namespace Prefix:	jshy_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	jshy_RelatedPartyLineItems
Namespace Prefix:	jshy_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Expenditures for salaries of officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_OfficersCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of cash paid for commissions during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

+ Details

Name:	us-gaap_PaymentsForCommissions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_ChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	jshy_AgreementAxis=jshy_EmploymentAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=jshy_FormerChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions (Detail Textuals)			12 Months Ended
Related Party Transactions (Detail Textuals)	Sep. 01, 2012 USD ($)	Sep. 01, 2012 TWD	Dec. 31, 2015 USD ($)	Dec. 31, 2015 TWD	Dec. 31, 2014 USD ($)
Related Party [Line Items]
Salary			$ 6,615		$ 13,907
Chief executive officer
Related Party [Line Items]
Payments for Commissions			711
Director
Related Party [Line Items]
Payments for Commissions			403
Employment agreement \| Former chief executive officer
Related Party [Line Items]
Salary	$ 1,100	TWD 32,000	$ 1,133	TWD 35,000
Employment Agreement Termination Notice Period	30 days	30 days