XML 13 R25.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Contingencies (Detail) (USD $) | Mar. 31, 2015 | Sep. 30, 2014
--- | --- | ---
Loss Contingencies |  |
Unbilled Receivables, Current | $ 5,859,955 us-gaap_UnbilledReceivablesCurrent | $ 7,425,728 us-gaap_UnbilledReceivablesCurrent
Inventory, Net | 4,619,241 us-gaap_InventoryNet | 5,470,786 us-gaap_InventoryNet
Delta |  |
Loss Contingencies |  |
Number Of Aircraft | 182 issc_NumberOfAircraft / us-gaap_CounterpartyNameAxis = issc_DeltaMember |
Unbilled Receivables, Current | 3,600,000 us-gaap_UnbilledReceivablesCurrent / us-gaap_CounterpartyNameAxis = issc_DeltaMember |
Inventory, Net | $ 200,000 us-gaap_InventoryNet / us-gaap_CounterpartyNameAxis = issc_DeltaMember |

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Balance Type: | na
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X
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or 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 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6386567&loc=d3e3927-108312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 + Details
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Namespace Prefix: | us-gaap_
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- Details
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- Definition Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |