The Company and Basis of Presentation - Joint Venture (Details Narrative) (Joint Venture)	Mar. 31, 2015
Joint Venture
Joint venture with TI Services, LLC- percentage ownership	50.00%

Represents the company's 50% owned joint venture, TI Services, LLC.

No definition available.

Name:	inis_JointVentureWithTiServicesLlcPercentageOwnership
Namespace Prefix:	inis_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant