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Note 13 - Leases (Tables)

12 Months Ended

Sep. 28, 2024

Notes Tables

Lease, Cost [Table Text Block]

(In thousands)		September 28, 2024				September 30, 2023
Cash paid for operating leases included in operating cash flows		$	1,348			$	1,261
Right-of-use assets obtained in exchange for new lease obligations			946				1,547

		September 28, 2024				September 30, 2023
Weighted average lease term (in years)			2.0				2.2
Weighted average discount rate			8.4	%			7.1	%

Lessee, Operating Lease, Assets and Liabilities [Table Text Block]

(In thousands)		September 28, 2024				September 30, 2023
Right-of-use assets:
Other assets		$	1,703			$	1,939
Lease liabilities:
Accrued expenses		$	877			$	999
Other liabilities			811				936
Total operating lease liabilities		$	1,688			$	1,935

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

(In thousands)
2025		$	980
2026			698
2027			151
2028			-
2029			-
Total future operating lease payments			1,829
Less: imputed interest			(141	)
Present value of operating lease liabilities		$	1,688

X

- Definition

Tabular disclosure of balance sheet location for operating lease right-of-use asset and operating lease liabilities for lessee.

+ References

No definition available.

+ Details

Name:	iiin_LesseeOperatingLeaseAssetsAndLiabilitiesTableTextBlock
Namespace Prefix:	iiin_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
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X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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