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

Contingencies (Detail) (USD $)	Dec. 31, 2014	Sep. 30, 2014
Loss Contingencies
Unbilled Receivables, Current	$ 6,837,668us-gaap_UnbilledReceivablesCurrent	$ 7,425,728us-gaap_UnbilledReceivablesCurrent
Inventory, Net	5,276,149us-gaap_InventoryNet	5,470,786us-gaap_InventoryNet
Delta
Loss Contingencies
Number Of Aircraft	182issc_NumberOfAircraft / us-gaap_CounterpartyNameAxis = issc_DeltaMember
Unbilled Receivables, Current	3,600,000us-gaap_UnbilledReceivablesCurrent / us-gaap_CounterpartyNameAxis = issc_DeltaMember
Inventory, Net	$ 200,000us-gaap_InventoryNet / us-gaap_CounterpartyNameAxis = issc_DeltaMember

X

- Definition

Represents the number of aircraft.

+ References

No definition available.

+ Details

Name:	issc_NumberOfAircraft
Namespace Prefix:	issc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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

Name:	us-gaap_InventoryNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_UnbilledReceivablesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_CounterpartyNameAxis=issc_DeltaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: