Note 7 - State Franchise Taxes Payable (Details Textual) - USD ($)	Sep. 30, 2025	Sep. 30, 2024
Franchise Taxes in Arrears, Total	$ 14,979	$ 16,052

Represents the amount of franchise taxes that are generally due in arrears for the prior calendar year.

No definition available.

Name:	irns_FranchiseTaxesInArrearsTotal
Namespace Prefix:	irns_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant