Term of the contract.

No definition available.

Name:	inis_ContractTerm
Namespace Prefix:	inis_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The net cash inflow or outflow for the increase (decrease) associated with restricted cash and investments.

+ References

No definition available.

+ Details

Name:	inis_IncreaseDecreaseOfRestrictedCashAndInvestments
Namespace Prefix:	inis_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of employees hired.

+ References

No definition available.

+ Details

Name:	inis_NumberOfEmployeesHired
Namespace Prefix:	inis_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the escalation percent of an annual fixed price as part of an other commitment.

+ References

No definition available.

+ Details

Name:	inis_OtherCommitmentsAnnualFixedPriceEscalationPercent
Namespace Prefix:	inis_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Cash and investments whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 210
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477220/954-210-45-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 210
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478600/954-210-50-2

+ Details

Name:	us-gaap_RestrictedCashAndInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=inis_LandInLeaCountyNewMexicoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=inis_ContractWithTheDoeForTheIrradiationOfCobaltTargetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 7 - Commitments and Contingencies (Details Textual)			6 Months Ended
	Oct. 02, 2014	Aug. 31, 2011	Jun. 30, 2024 USD ($)	Feb. 08, 2024 USD ($)
Increase (Decrease) of Restricted Cash and Investments			$ 484,000
Restricted Cash and Investments			$ 1,396,423
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Disposal Group, Including Discontinued Operation, Consideration				$ 12,500,000
Land in Lea County, New Mexico [Member]
Number of Employees Hired		75
Contract With the DOE for the Irradiation of Cobalt Targets [Member]
Contract Term (Year)	10 years
Other Commitments, Annual Fixed Price, Escalation Percent	5.00%