XML 13 R39.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Events Subsequent Events (Details) (QuarterlyDividend-Q1 [Member], Subsequent Event [Member], USD $) | 0 Months Ended
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May 16, 2015 | May 05, 2015 | Apr. 29, 2015
QuarterlyDividend-Q1 [Member] | Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Common Stock, Dividends, Per Share, Declared |  |  | $ 0.035 us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = clro_QuarterlyDividendQ1Member / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Dividends Payable, Date to be Paid | May 15, 2015 |  |
Dividends Payable, Date of Record |  | May 04, 2015 |

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: 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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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