v3.7.0.1

Subsequent Events (Details) - Subsequent Event $ in Millions | Mar. 23, 2017 USD ($) extension
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Subsequent Event [Line Items] |
Term of agreement | 1 year
Option to extend agreement | extension | 2
Duration of extension option | 1 year
Royalty revenue, percent of gross sales | 10.00%
Maximum purchase price option | $ | $ 3.2

X
- Definition Finite-Lived License Agreement, Duration of Extension Option + References No definition available. + Details
Name: | caw_FiniteLivedLicenseAgreementDurationofExtensionOption
Namespace Prefix: | caw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Finite-Lived License Agreement, Option To Extend Agreement + References No definition available. + Details
Name: | caw_FiniteLivedLicenseAgreementOptionToExtendAgreement
Namespace Prefix: | caw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Finite-Lived License Agreement, Purchase Price Option, Maximum + References No definition available. + Details
Name: | caw_FiniteLivedLicenseAgreementPurchasePriceOptionMaximum
Namespace Prefix: | caw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Finite-Lived License Agreement, Term + References No definition available. + Details
Name: | caw_FiniteLivedLicenseAgreementTerm
Namespace Prefix: | caw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Finite-Lived License Agreements, Royalty Revenue, Percent Of Gross Sales + References No definition available. + Details
Name: | caw_FiniteLivedLicenseAgreementsRoyaltyRevenuePercentOfGrossSales
Namespace Prefix: | caw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |