Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

v2.4.1.9
Income Taxes (Details Textual) (USD $)
3 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Nov. 30, 2014
Operating Loss Carryforwards [Line Items]      
Penalties and related interest $ 0us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense $ 669us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense  
Total unrealized gain on investment 146,552us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax    
Deferred tax expense 54,083us-gaap_DeferredTaxAssetsTaxDeferredExpense    
Deferred tax asset 6,989,999us-gaap_DeferredTaxLiabilitiesNoncurrent   6,988,195us-gaap_DeferredTaxLiabilitiesNoncurrent
Charitable contributions      
Operating Loss Carryforwards [Line Items]      
Deferred tax asset 273,471us-gaap_DeferredTaxLiabilitiesNoncurrent
/ us-gaap_ValuationAllowanceByDeferredTaxAssetAxis
= caw_CharitableContributionsMember
  273,434us-gaap_DeferredTaxLiabilitiesNoncurrent
/ us-gaap_ValuationAllowanceByDeferredTaxAssetAxis
= caw_CharitableContributionsMember
Loss carry forward      
Operating Loss Carryforwards [Line Items]      
Deferred tax asset $ 6,960,553us-gaap_DeferredTaxLiabilitiesNoncurrent
/ us-gaap_ValuationAllowanceByDeferredTaxAssetAxis
= us-gaap_CapitalLossCarryforwardMember
  $ 6,967,644us-gaap_DeferredTaxLiabilitiesNoncurrent
/ us-gaap_ValuationAllowanceByDeferredTaxAssetAxis
= us-gaap_CapitalLossCarryforwardMember