XML 19 R44.htm IDEA: XBRL DOCUMENT
v3.20.1

Note 9 - Related Party Transaction (Details Textual) - ISC Properties LLC [Member] - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Related Party Transaction, Expenses from Transactions with Related Party | $ 210,000 | $ 210,000
Chief Executive Officer [Member] |  |
Related Party Ownership Percentage | 100.00% |

X
- Definition Related party ownership percentage. + References No definition available. + Details
Name: | ins_RelatedPartyOwnershipPercentage
Namespace Prefix: | ins_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ins_IscPropertiesLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |