XML 78 R70.htm IDEA: XBRL DOCUMENT
v3.25.1

Term Loan and Warrant Liabilities - Additional Information (Details) $ / shares in Units, $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
May 13, 2024 USD ($) $ / shares shares | Mar. 31, 2025 | Sep. 30, 2024
Term Loan and Warrant Liabilities [Line Items] |  |  |
Proceeds from issuance of debt | $ 14,700 |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | us-gaap:SecuredOvernightFinancingRateSofrMember |
Warrants [Member] |  |  |
Term Loan and Warrant Liabilities [Line Items] |  |  |
Class of warrant or right, number of securities called by warrants or rights | shares | 3,068,182 |  |
Class of warrant or right, exercise price of warrants or rights | $ / shares | $ 2.53 |  |
Term Loan [Member] |  |  |
Term Loan and Warrant Liabilities [Line Items] |  |  |
Debt instrument, face amount | $ 15,000 |  |
Debt instrument, original issue discount percentage | 0.02 |  |
Debt instrument, basis spread on variable rate, when repayment in cash | 0.05 |  |
Debt instrument, basis spread on variable rate, when repayment in cash and issuance of shares | 0.06 |  |
Debt instrument, repayment of interest, percentage in cash | 0.50 |  |
Debt instrument, redemption of debt percentage of principal amount | 1.01 |  |
Term Loan [Member] | Measurement Input, Discount Rate [Member] | Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Term Loan and Warrant Liabilities [Line Items] |  |  |
Debt instrument, measurement input |  | 0.264 | 0.26

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument when repayment debt in cash. + References No definition available. + Details
Name: | gnss_DebtInstrumentBasisSpreadOnVariableRateWhenRepaymentInCash
Namespace Prefix: | gnss_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument when repayment of debt in cash and issuance of stocks. + References No definition available. + Details
Name: | gnss_DebtInstrumentBasisSpreadOnVariableRateWhenRepaymentInCashAndIssuanceOfShares
Namespace Prefix: | gnss_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of original issue discount under debt instrument. + References No definition available. + Details
Name: | gnss_DebtInstrumentOriginalIssueDiscountPercentage
Namespace Prefix: | gnss_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of redemption of debt within one year as percentage of principal amount of the debt. + References No definition available. + Details
Name: | gnss_DebtInstrumentRedemptionOfDebtPercentageOfPrincipalAmount
Namespace Prefix: | gnss_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of repayment of debt interest in cash as percentage. + References No definition available. + Details
Name: | gnss_DebtInstrumentRepaymentOfInterestPercentageInCash
Namespace Prefix: | gnss_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the gross amount received from issuance of debt and warrants. + References No definition available. + Details
Name: | gnss_ProceedsFromIssuanceOfDebtAndWarrantsGross
Namespace Prefix: | gnss_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Term loan and warrant liabilities. + References No definition available. + Details
Name: | gnss_TermLoanAndWarrantLiabilitiesLineItems
Namespace Prefix: | gnss_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indicates type of variable interest rate on debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 + Details
Name: | us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=gnss_WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gnss_TermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_ValuationTechniqueDiscountedCashFlowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |