XML 28 R18.htm IDEA: XBRL DOCUMENT
v3.21.2

Leases (Tables) | 9 Months Ended
--- | ---
Jun. 30, 2021
Leases |
Schedule of lease-related assets and liabilities reported in the Consolidated Balance Sheet | ​
​ | ​ | ​ | ​ | ​ | ​
Classification on the Consolidated Balance Sheet on June 30, 2021
Assets |  |  |  | ​ |
Operating leases |  | Other assets | ​ | $ | 2,241
​ | ​ | ​ | ​ | ​ | ​
Liabilities |  |  | ​ |  | ​
Operating leases- current |  | Accrued expenses | ​ | $ | 2,241
Operating leases – noncurrent |  | Other liabilities | ​ | $ | 0
Total lease liabilities | ​ | ​ | ​ | $ | 2,241
​
Schedule of future minimum lease payments under operating leases | Future minimum lease payments under operating leases are as follows at June 30, 2021: ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Twelve Months | ​ |  | ​
​ | ​ | Ending | ​ | Operating
​ |  | June 30, |  | Leases
​ |  | 2022 | ​ | ​ | 2,446
Total minimum lease payments | ​ | ​ | ​ | $ | 2,446
Amount representing interest | ​ | ​ | ​ | ​ | (205)
Present value of minimum lease payments |  | ​ | ​ |  | 2,241
Current portion |  | ​ | ​ |  | (2,241)
Long-term portion of lease obligations |  | ​ | ​ | $ | —

X
- Definition Schedule of + References No definition available. + Details
Name: | issc_ScheduleOfOperatingLeaseRelatedAssetsAndLiabilities
Namespace Prefix: | issc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration