Retail Access and Distribution Agreement (Details) (Valassis, USD $)	1 Months Ended
Apr. 30, 2014	Jun. 30, 2014
Valassis
Retail access and distribution agreement
Original amount owed for marketing and service agreement		$ 500,000
Amount owed for marketing and service agreement		$ 250,000
Marketing and service agreement amortization period	4 years

Initial carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the Noncurrent portion of the liabilities.

No definition available.

Name:	isig_InitialAccruedMarketingCostsNonCurrent
Namespace Prefix:	isig_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant