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Business Combination, Goodwill and Intangibles Business Combinations, Consideration Paid, Equity Interest Issued or Issuable (Details) (Restricted Stock [Member], Sabine, Inc. [Member])
 12 Months Ended
Dec. 31, 2014
Restricted Stock [Member] | Sabine, Inc. [Member]
  
Business Acquisition [Line Items]  
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable 150,000us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1
/ clro_AcquisitionConsiderationTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_BusinessAcquisitionAxis
= clro_SabineInc.Member