XML 87 R68.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Profit-Sharing Plan (Details) | 12 Months Ended
--- | ---
Dec. 31, 2017
Profit Sharing Plan (Textual) |
Percentage of pretax compensation to the plan | 15.00%
Percentage of employer contribution | 50.00%
Percentage of employee wages | 6.00%
Percentage of effective rate | 3.00%

X
- Definition Its represented percentage of effective rate. + References No definition available. + Details
Name: | crex_DefinedContributionPlanEmployerMatchingEffectiveRate
Namespace Prefix: | crex_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
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

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration