Increase in number of shares covered by the option in terms of percentage.

No definition available.

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- Definition

Expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The exercise price of the open option contracts written on the investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B.Column C)
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611197-123010

+ Details

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Period Type:	instant

- Definition

Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	ins_OptionAgreementAxis=ins_OptionExpenseMember
Namespace Prefix:
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Balance Type:
Period Type:

Note 3 - Option Agreement (Details Textual)	12 Months Ended
Note 3 - Option Agreement (Details Textual)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2012 USD ($)	Mar. 20, 2012 $ / item
Option Expense [Member]
Other Liabilities, Noncurrent	$ 18,000	$ 18,000
Marketing Expense			$ 18,000
Other Liabilities, Noncurrent	18,000	18,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				5.00%
Noncontrolling Interest, Ownership Percentage by Parent				96.00%
Increase In Shares Covered By Option				10.00%
Open Option Contracts Written, Exercise Price \| $ / item				1,000,000
Marketing Expense	$ 242,000	$ 271,000