XML 53 R83.htm IDEA: XBRL DOCUMENT v3.3.0.814

Note 18 - Rights Agreement (Details Textual)			12 Months Ended
	May. 17, 1999	Apr. 26, 1999 shares	Oct. 03, 2015 $ / shares shares
Series A Junior Participating Preferred Stock [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 46
Dividend Distribution of Rights | shares		1
Rights Assigned to Common Stock Issued	1
Ownership Percentage to Trigger Rights Exercisable			20.00%
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right | shares			0.005
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 0.005
Portion of Company Sold Triggers Exercisability of Rights			50.00%

X

- Definition

Represents dividend distribution of rights.

+ References

No definition available.

+ Details

Name:	iiin_DividendDistributionOfRights1
Namespace Prefix:	iiin_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This item represents the beneficial ownership percentage that must be obtained by either a person or a group of affiliated or associates persons that will cause the rights distributed to be exercisable.

+ References

No definition available.

+ Details

Name:	iiin_OwnershipPercentageToTriggerRightsExercisable
Namespace Prefix:	iiin_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This item represents the portion of the Company that, if sold will trigger the exercisability of the rights.

+ References

No definition available.

+ Details

Name:	iiin_PortionOfCompanySoldTriggersExercisabilityOfRights
Namespace Prefix:	iiin_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This item represents the number of rights that attach to each share of the Company's common stock that is issued after May 17, 1999.

+ References

No definition available.

+ Details

Name:	iiin_RightsAssignedToCommonStockIssued
Namespace Prefix:	iiin_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 235



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.4-08.(i)(4))



-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=iiin_SeriesAJuniorParticipatingPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: