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Legal Proceedings - Additional Information (Detail) (USD $) | 0 Months Ended | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Oct. 11, 2013 | Dec. 31, 2013 | Feb. 28, 2015 | May 26, 2011
Schedule Of Members Equity [Line Items] |  |  |  |
Settlement fee paid |  | $ 525,000 us-gaap_LitigationSettlementAmount |  |
Minimum jurisdictional amount | 75,000 ccel_MinimumJurisdictionalAmount |  |  |
Minimum [Member] |  |  |  |
Schedule Of Members Equity [Line Items] |  |  |  |
Jurisdictional amount of the court |  |  |  | $ 75,000 ccel_JurisdictionalAmountOfCourt / us-gaap_RangeAxis = us-gaap_MinimumMember
Ki Yong Choi [Member] |  |  |  |
Schedule Of Members Equity [Line Items] |  |  |  |
Shareholder derivative complaint date |  |  | Nov. 13, 2013 |

X
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X
- Definition Jurisdictional amount of the court. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

X
- Definition Minimum jurisdictional amount. + References No definition available. + Details
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- Details
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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Period Type: |