XML 36 R44.htm IDEA: XBRL DOCUMENT v2.4.1.9

Debt (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Less: debt - current, Principal	$ (637)cers_DebtInstrumentCarryingCurrent	$ 0cers_DebtInstrumentCarryingCurrent
Less: debt - current, Unamortized Discount	46cers_DebtInstrumentUnamortizedCurrent	0cers_DebtInstrumentUnamortizedCurrent
Less: debt-current	(591)us-gaap_SecuredDebtCurrent	0us-gaap_SecuredDebtCurrent	[1]
Debt - non-current, Principal	9,363cers_DebtInstrumentCarryingNonCurrent	10,000cers_DebtInstrumentCarryingNonCurrent
Debt - non-current, Unamortized Discount	(71)cers_DebtInstrumentUnamortizedNoncurrent	(128)cers_DebtInstrumentUnamortizedNoncurrent
Debt-non-current	9,292us-gaap_SecuredLongTermDebt	9,872us-gaap_SecuredLongTermDebt	[1]
Loan and Security Agreement
Debt Instrument [Line Items]
Total debt, Principal	10,000us-gaap_DebtInstrumentCarryingAmount / us-gaap_CreditFacilityAxis = cers_LoanAndSecurityAgreementMember	10,000us-gaap_DebtInstrumentCarryingAmount / us-gaap_CreditFacilityAxis = cers_LoanAndSecurityAgreementMember
Total debt, Unamortized amount	(117)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_CreditFacilityAxis = cers_LoanAndSecurityAgreementMember	(128)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_CreditFacilityAxis = cers_LoanAndSecurityAgreementMember
Total debt	$ 9,883us-gaap_SecuredDebt / us-gaap_CreditFacilityAxis = cers_LoanAndSecurityAgreementMember	$ 9,872us-gaap_SecuredDebt / us-gaap_CreditFacilityAxis = cers_LoanAndSecurityAgreementMember
[1] The financial information in this column was derived from audited financial statements included in the Company's 2014 Annual Report on Form 10-K.

X

- Definition

Current portion carrying value of the debt instrument before deducting unamortized discounts (if any).

+ References

No definition available.

+ Details

Name:	cers_DebtInstrumentCarryingCurrent
Namespace Prefix:	cers_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Non-current portion carrying value of the debt instrument before deducting unamortized discounts (if any).

+ References

No definition available.

+ Details

Name:	cers_DebtInstrumentCarryingNonCurrent
Namespace Prefix:	cers_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Current portion of the unamortized discounts on the debt instrument.

+ References

No definition available.

+ Details

Name:	cers_DebtInstrumentUnamortizedCurrent
Namespace Prefix:	cers_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Non-current portion of the unamortized discounts on the debt instrument.

+ References

No definition available.

+ Details

Name:	cers_DebtInstrumentUnamortizedNoncurrent
Namespace Prefix:	cers_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20

-Article 5

+ Details

Name:	us-gaap_SecuredDebtCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: