Concentration Risk Number Of Customers

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ 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 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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Period Type:	duration

- Details

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- Details

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- Details

Name:	us-gaap_MajorCustomersAxis=iin_CountryMember
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- Details

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- Details

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Geographic Information (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
Geographic Information (Narrative) (Details) $ in Thousands	Sep. 30, 2016 USD ($) country customer	Sep. 30, 2015 USD ($) customer	Sep. 30, 2016 USD ($) country customer	Sep. 30, 2015 USD ($) customer	Dec. 31, 2015 customer
Revenue, Major Customer [Line Items]
Sales, net \| $	$ 16,012	$ 17,341	$ 51,246	$ 51,063
Net Sales [Member] \| One Customer [Member]
Revenue, Major Customer [Line Items]
Number of customers	1	1	1	1
Percentage of sales and/or receivables	38.00%	46.00%	39.00%	42.00%
Net Sales [Member] \| Country [Member]
Revenue, Major Customer [Line Items]
Number of Countries in which Entity Operates \| country	0		0
Percentage of sales and/or receivables			10.00%
Accounts Receivable [Member] \| Two Customers [Member]
Revenue, Major Customer [Line Items]
Number of customers			2		2
Percentage of sales and/or receivables			33.00%		27.00%