XML 54 R35.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note A - Organization and Business (Details Textual) | 12 Months Ended
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Apr. 30, 2018
Number of Operating Subsidiaries | 2
Number of Stores | 139

X
- Definition Number of operating subsidiaries that the entity has. + References No definition available. + Details
Name: | crmt_NumberOfOperatingSubsidiaries
Namespace Prefix: | crmt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant