XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Note 5 - Fair Value Measurements (Details Textual) $ in Thousands, $ in Millions | Oct. 02, 2020 CAD ($) | Oct. 02, 2020 USD ($) | Oct. 02, 2020 CAD ($) | Dec. 31, 2021 USD ($)
--- | --- | --- | --- | ---
Marketable Securities, Total |  |  |  | $ 0
Assets Acquisition of Amika Mobile Corporation [Member] |  |  |  |
Asset Purchase Agreement, Deduction From Liability | $ 1 | $ 787 | $ 1 |
Asset Acquisition, Adjustments from Purchase Holdback Liability, Period (Year) |  | 3 years | 3 years |

X
- Definition Represents period for adjustments from purchase holdback liability for asset acquisition. + References No definition available. + Details
Name: | gnss_AssetAcquisitionAdjustmentsFromPurchaseHoldbackLiabilityPeriod
Namespace Prefix: | gnss_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of deduction from liabilities under an asset purchase agreement. + References No definition available. + Details
Name: | gnss_AssetPurchaseAgreementDeductionFromLiability
Namespace Prefix: | gnss_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_MarketableSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=gnss_AssetsAcquisitionOfAmikaMobileCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |