XML 51 R37.htm IDEA: XBRL DOCUMENT
v3.22.2

Revenue Recognition - Additional Information (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 USD ($) Customer | Jun. 30, 2021 USD ($) Customer | Jun. 30, 2022 USD ($) Customer | Jun. 30, 2021 USD ($) Customer | Sep. 30, 2021 USD ($)
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Revenues | $ 89,041,000 | $ 96,801,000 | $ 269,747,000 | $ 289,106,000 |
Minimum commitment deals of revenue |  |  | $ 47,100,000 |  |
Distribution period |  |  | 5 years |  |
Contract acquisition costs |  |  | $ 6,900,000 |  | $ 6,900,000
Contract acquisition cost, amortization | 700,000 | 600,000 | 1,900,000 | 1,500,000 |
Contract acquisition cost, impairment |  |  | 0 |  |
Capitalized contract cost, amortization | 2,300,000 | 3,000,000.0 | 7,800,000 | 10,500,000 |
Capitalized contract cost, impairment |  |  | 0 |  |
Customer One |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Revenues | 10,100,000 | 19,300,000 | 54,300,000 | 54,500,000 |
Customer Two |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Revenues |  | 12,700,000 | 38,300,000 | 37,400,000 |
United States |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Revenues | 23,317,000 | 31,632,000 | 80,401,000 | 100,507,000 |
Germany |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Revenues | 18,880,000 | 24,519,000 | 61,520,000 | 81,230,000 |
Japan |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Revenues | $ 17,476,000 | $ 19,032,000 | $ 68,965,000 | $ 45,484,000 |
Revenues | Customer Concentration Risk |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Number of customers accounted for revenues | Customer | 1 | 2 | 2 | 2 |
Revenues | Customer Concentration Risk | Customer One |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Percentage of revenue | 11.40% | 20.00% | 20.10% | 18.80% |
Revenues | Customer Concentration Risk | Customer Two |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Percentage of revenue |  | 13.10% | 14.20% | 12.90% |
Minimum |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Connected services contract term |  |  | 1 year |  |
Contract acquisition cost, deferred and amortized over benefit period |  |  | 1 year |  |
Contract term | 1 year |  | 1 year |  |
Minimum | Revenues | United States | Geographic Concentration Risk |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Percentage of revenue | 10.00% | 10.00% | 10.00% | 10.00% |
Minimum | Revenues | Germany | Geographic Concentration Risk |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Percentage of revenue | 10.00% | 10.00% | 10.00% | 10.00% |
Minimum | Revenues | Japan | Geographic Concentration Risk |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Percentage of revenue | 10.00% | 10.00% | 10.00% | 10.00% |
Maximum |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Connected services contract term |  |  | 5 years |  |
Contract acquisition costs, expected benefit period |  |  | 1 year |  |
Contract acquisition cost, deferred and amortized over benefit period |  |  | 8 years |  |
Contract term | 8 years |  | 8 years |  |

X
- Definition Connected services contract term. + References No definition available. + Details
Name: | crnc_ConnectedServicesContractTerm
Namespace Prefix: | crnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract acquisition cost, amortization. + References No definition available. + Details
Name: | crnc_ContractAcquisitionCostAmortization
Namespace Prefix: | crnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract acquisition cost, deferred and amortized over benefit period. + References No definition available. + Details
Name: | crnc_ContractAcquisitionCostDeferredAndAmortizedOverBenefitPeriod
Namespace Prefix: | crnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract acquisition cost, impairment. + References No definition available. + Details
Name: | crnc_ContractAcquisitionCostImpairment
Namespace Prefix: | crnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract acquisition costs. + References No definition available. + Details
Name: | crnc_ContractAcquisitionCosts
Namespace Prefix: | crnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract acquisition costs, expected benefit period. + References No definition available. + Details
Name: | crnc_ContractAcquisitionCostsExpectedBenefitPeriod
Namespace Prefix: | crnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Distribution period. + References No definition available. + Details
Name: | crnc_DistributionPeriod
Namespace Prefix: | crnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum commitment deals of revenue. + References No definition available. + Details
Name: | crnc_MinimumCommitmentDealsOfRevenue
Namespace Prefix: | crnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of customers accounted for revenues. + References No definition available. + Details
Name: | crnc_NumberOfCustomersAccountedForRevenues
Namespace Prefix: | crnc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
Name: | us-gaap_CapitalizedContractCostAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131251-203054 + Details
Name: | us-gaap_CapitalizedContractCostAmortizationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
Name: | us-gaap_CapitalizedContractCostImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_MajorCustomersAxis=crnc_CustomerOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=crnc_CustomerTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_DE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_RevenueFromContractWithCustomerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_GeographicConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |