|
Short-Term Investments and Marketable Securities - Fair Value (Details) (USD $)
|
Nov. 30, 2014
|
Nov. 30, 2013
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
$ 0us-gaap_AvailableForSaleSecurities
|
$ 1,112,440us-gaap_AvailableForSaleSecurities
|
| Corporate obligations |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
0us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= caw_CorporateObligationsMember
|
0us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= caw_CorporateObligationsMember
|
| Limited partnership |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
0us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= caw_LimitedPartnershipMember
|
354,050us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= caw_LimitedPartnershipMember
|
| Common stock |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
0us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommonStockMember
|
758,390us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommonStockMember
|
| Fixed Income |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
0us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedIncomeSecuritiesMember
|
0us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedIncomeSecuritiesMember
|
| Quoted Market Price in Active Markets |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
1,112,440us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
|
| Quoted Market Price in Active Markets | Corporate obligations |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
0us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= caw_CorporateObligationsMember
|
| Quoted Market Price in Active Markets | Limited partnership |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
354,050us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= caw_LimitedPartnershipMember
|
| Quoted Market Price in Active Markets | Common stock |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
758,390us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommonStockMember
|
| Quoted Market Price in Active Markets | Fixed Income |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
0us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FixedIncomeSecuritiesMember
|
| Significant Other Observable Inputs |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
0us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
|
| Significant Other Observable Inputs | Corporate obligations |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
0us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= caw_CorporateObligationsMember
|
| Significant Other Observable Inputs | Limited partnership |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
0us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= caw_LimitedPartnershipMember
|
| Significant Other Observable Inputs | Common stock |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| MARKET |
|
$ 0us-gaap_AvailableForSaleSecurities
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommonStockMember
|