XML 15 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Significant Customers that Accounted for More than Ten Percentage of Total Product Revenue (Detail) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Etablissement Francais du Sang |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Percentage of revenue derived from significant customer from Company's total product revenue | 30.00% | 20.00% | 26.00% | 18.00%
Grifols |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Percentage of revenue derived from significant customer from Company's total product revenue |  | 22.00% |  | 20.00%
Bravo Pacific Limited |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Percentage of revenue derived from significant customer from Company's total product revenue |  | 11.00% |  |
Advanced Technology Company KSC |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Percentage of revenue derived from significant customer from Company's total product revenue |  | 10.00% |  |

X
- Definition Concentration Risk Percentage Of Revenues By Single Customer + References No definition available. + Details
Name: | cers_ConcentrationRiskPercentageOfRevenuesBySingleCustomer
Namespace Prefix: | cers_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration