v3.8.0.1

401(K) Plan (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2017 | Aug. 31, 2016 | Aug. 31, 2017 | Aug. 31, 2016
Retirement Benefits [Abstract] |  |  |  |
Profit sharing criteria period of employees service |  |  | 6 months |
Profit sharing criteria minimum age requirement |  |  | 21 years |
Employees salary reduction contributions |  |  | 25.00% |
Employer matching contribution, percent |  |  | 3.00% |
Employers matching contribution, annual vesting percentage |  |  | 100.00% |
Company Contributions | $ 8,925 | $ 0 | $ 16,568 | $ 0

X
- Definition Employees Salary Reduction Contributions + References No definition available. + Details
Name: | caw_EmployeesSalaryReductionContributions
Namespace Prefix: | caw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Profit sharing criteria minimum age requirement. + References No definition available. + Details
Name: | caw_ProfitSharingCriteriaMinimumAgeRequirement
Namespace Prefix: | caw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Profit sharing criteria period of employees service + References No definition available. + Details
Name: | caw_ProfitSharingCriteriaPeriodofEmployeesService
Namespace Prefix: | caw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration