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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
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Dec. 31, 2014
Restricted Stock [Member] | Sabine, Inc. [Member] |
Business Acquisition [Line Items] |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | 150,000 us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1 / clro_AcquisitionConsiderationTypeAxis = us-gaap_RestrictedStockMember / us-gaap_BusinessAcquisitionAxis = clro_SabineInc.Member

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- Definition The number of shares issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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