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Note 6 - Contingencies (Details) (USD $) | Jun. 30, 2013
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Note 6 - Contingencies (Details) [Line Items] |
Loss Contingency, Estimate of Possible Loss | $ 1,000,000
Patent Application [Member] |
Note 6 - Contingencies (Details) [Line Items] |
Capitalized Legal and Other Costs | 58,000
In Defense of Patents [Member] |
Note 6 - Contingencies (Details) [Line Items] |
Capitalized Legal and Other Costs | $ 990,000

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- Definition Capitalized Legal and Other Costs. + References No definition available. + Details
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Namespace Prefix: | crws_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: | crws_
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Balance Type: | na
Period Type: | duration

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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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Namespace Prefix: | us-gaap_
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