Note 7 - State Franchise Taxes Payable (Details Textual) - USD ($)	Sep. 30, 2021	Mar. 31, 2021
Franchise Tax in Arrears, Including Related Penalties and Interest, Expense Total		$ 0
Franchise Taxes in Arrears, Total	$ 58,504
Franchise Taxes in Arrears, Interest and Penalties Accrued, Total	$ 32,577

The sum of the amounts due for franchise tax in arrears, including estimated penalties and interest, recognized in the period arising from the prior calendar year.

No definition available.

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