XML 45 R62.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Commitments and Contingencies - Additional Information (Detail) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 USD ($) | Dec. 31, 2014 EUR (€) | Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2010 USD ($) | Dec. 31, 2014 Additional Concord Lease Option
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |
Minimum term of non-cancellable operating leases | 1 year | 1 year |  |  |  |
Expiration of non-cancellable operating leases maximum year | 2019 | 2019 |  |  |  |
Early termination of non-cancellable operating leases minimum period |  |  |  |  |  | 2016-02
Initial term of operating lease |  |  |  |  |  | 2 years
Number of renewal options |  |  |  |  |  | 4 cers_OperatingLeaseNumberOfAdditionalRenewalOption / us-gaap_LeaseArrangementTypeAxis = cers_AdditionalConcordLeaseMember
Renewal period of operating lease |  |  |  |  |  | 2 years
Operating lease, rent expense | $ 0.8 us-gaap_OperatingLeasesRentExpenseMinimumRentals |  | $ 0.7 us-gaap_OperatingLeasesRentExpenseMinimumRentals | $ 0.6 us-gaap_OperatingLeasesRentExpenseMinimumRentals |  |
Financing for leasehold improvement |  |  |  |  | 1.1 cers_ProceedsFromLandlordFinancingLeaseholdImprovement |
Outstanding liability related to leasehold improvements | 0.6 cers_OutstandingLiabilityRelatedToLeaseholdImprovementsCurrentAndNonCurrent |  |  |  |  |
Leasehold Improvements reflected in Accrued liabilities | 0.1 cers_LeaseholdImprovementReflectedInAccruedLiabilities |  |  |  |  |
Leasehold Improvements reflected in Other non-current liabilities | 0.5 cers_LeaseholdImprovementReflectedInOtherNonCurrentLiabilities |  |  |  |  |
Purchase commitment, paid | 6.8 cers_PurchaseCommitmentPayments |  | 6.5 cers_PurchaseCommitmentPayments | 7.2 cers_PurchaseCommitmentPayments |  |
Future minimum purchase commitment 2015 | 8.5 cers_LongTermPurchaseCommitmentAmountDueWithinOneYear |  |  |  |  |
Future minimum purchase commitment 2016 | 2.3 cers_LongTermPurchaseCommitmentAmountDueWithinTwoYears |  |  |  |  |
Transition agreement expiration date | Sep. 30, 2014 | Sep. 30, 2014 |  |  |  |
Distribution fee per disposable kit | 10 cers_SalesCommissionsAndFeesPerUnit | 10 cers_SalesCommissionsAndFeesPerUnit |  |  |  |
Potential maximum payment of distribution fee |  | 3 us-gaap_SalesCommissionsAndFees |  |  |  |
Distribution related expense accrued | $ 0.1 cers_SalesAndMarketingRelatedExpensesAccrued |  |  |  |  |

X
- Definition Agreement Expiration Date + References No definition available. + Details
Name: | cers_AgreementExpirationDate
Namespace Prefix: | cers_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | cers_CommitmentsAndContingenciesDisclosureLineItems
Namespace Prefix: | cers_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Earliest period for early termination of non-cancelable operating lease. + References No definition available. + Details
Name: | cers_EarlyTerminationOfNonCancelableOperatingLeasesMinimumPeriod
Namespace Prefix: | cers_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Latest period of expiration of non-cancelable operating lease. + References No definition available. + Details
Name: | cers_ExpirationOfNonCancelableOperatingLeasesMaximumYear
Namespace Prefix: | cers_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Portion of outstanding liability related to leasehold improvement reflected in accrued liabilities. + References No definition available. + Details
Name: | cers_LeaseholdImprovementReflectedInAccruedLiabilities
Namespace Prefix: | cers_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Portion of outstanding liability related to leasehold improvement reflected in other non current liabilities. + References No definition available. + Details
Name: | cers_LeaseholdImprovementReflectedInOtherNonCurrentLiabilities
Namespace Prefix: | cers_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long Term Purchase Commitment Amount Due Within One Year + References No definition available. + Details
Name: | cers_LongTermPurchaseCommitmentAmountDueWithinOneYear
Namespace Prefix: | cers_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long Term Purchase Commitment Amount Due Within Two Years + References No definition available. + Details
Name: | cers_LongTermPurchaseCommitmentAmountDueWithinTwoYears
Namespace Prefix: | cers_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum term of non-cancelable operating lease. + References No definition available. + Details
Name: | cers_MinimumTermOfNonCancelableOperatingLeases
Namespace Prefix: | cers_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating Lease Number Of Additional Renewal Option + References No definition available. + Details
Name: | cers_OperatingLeaseNumberOfAdditionalRenewalOption
Namespace Prefix: | cers_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Outstanding liability related to leasehold improvements current and non current. + References No definition available. + Details
Name: | cers_OutstandingLiabilityRelatedToLeaseholdImprovementsCurrentAndNonCurrent
Namespace Prefix: | cers_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Proceeds from landlord for financing leasehold improvement. + References No definition available. + Details
Name: | cers_ProceedsFromLandlordFinancingLeaseholdImprovement
Namespace Prefix: | cers_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Purchase Commitment Payments + References No definition available. + Details
Name: | cers_PurchaseCommitmentPayments
Namespace Prefix: | cers_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sales And Marketing Related Expenses Accrued + References No definition available. + Details
Name: | cers_SalesAndMarketingRelatedExpensesAccrued
Namespace Prefix: | cers_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Sales Commissions And Fees Per Unit + References No definition available. + Details
Name: | cers_SalesCommissionsAndFeesPerUnit
Namespace Prefix: | cers_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LesseeLeasingArrangementsOperatingLeasesRenewalTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34039-112682 + Details
Name: | us-gaap_OperatingLeasesRentExpenseMinimumRentals
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Primarily represents commissions incurred in the period based upon the sale by commissioned employees or third parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by third parties (such as a distributor or value added reseller). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesCommissionsAndFees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration