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      <LongName>06131 - Disclosure - Segment, Customer and Geographic Information (Details Textual)</LongName>
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    <Log type="Info">Element cers_CumulativeOutstandingTradeReceivablesMajorCustomersPercentage had a mix of decimals attribute values: 0 2.</Log>
    <Log type="Info">Element cers_RoyaltyRateAppliedTowardsSaleOfProducts had a mix of decimals attribute values: 2 3.</Log>
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    <Log type="Info">'Monetary' elements on report '06013 - Disclosure - Summary of Significant Accounting Policies (Details Textual)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '06082 - Disclosure - Debt (Details Textual)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '06102 - Disclosure - Stockholders' Equity (Details Textual)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Shares' elements on report '06112 - Disclosure - Stock-Based Compensation (Details Textual)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 0110 - Statement - Condensed Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Sep. 30, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2010'</Log>
    <Log type="Info">Process Flow-Through: 0111 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 0120 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 0130 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 0140 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</Log>
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    <File>cers-20120930_def.xml</File>
    <File>cers-20120930_lab.xml</File>
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