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EMPLOYEE BENEFIT PLAN (Narrative) (Details) (USD $)	12 Months Ended
EMPLOYEE BENEFIT PLAN (Narrative) (Details) (USD $)	Dec. 31, 2012
Employee Benefit Plan 1	$ 0

X

- Definition

Employee Benefit Plan 1

+ References

No definition available.

+ Details

Name:	caon_EmployeeBenefitPlanZeroOneThreeEightSixZeroSevenLGVvGFivesPpNinex
Namespace Prefix:	caon_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration