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Retail Access and Distribution Agreement 10Q (Details) (Valassis, USD $)	0 Months Ended
	Aug. 11, 2014	Aug. 11, 2014
Valassis
Retail access and distribution agreement
Marketing and service agreement amortization period	4 years
Initial consideration to be paid for marketing and service agreement		$ 500,000
Total consideration to be paid for marketing and service agreement		$ 250,000

X

- Definition

Represents the initial amount of total consideration to be paid for marketing and service agreement.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the amortization period for a marketing and service agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	isig_MarketingAndServiceAgreementAmortizationPeriod
Namespace Prefix:	isig_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	isig_RetailAccessAndDistributionAgreementLineItems
Namespace Prefix:	isig_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the amount of total consideration to be paid for marketing and service agreement.

+ References

No definition available.

+ Details

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