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Stockholders' Deficit (Details Narrative) (USD $)	Sep. 30, 2012
Stockholders Deficit Details Narrative
Equity issued under 2008 plan	$ 0

X

- Definition

Equity issued under 2008 plan.

+ References

No definition available.

+ Details

Name:	cpka_EquityIssuedUnderPlan
Namespace Prefix:	cpka_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	cpka_StockholdersDeficitDetailsNarrativeAbstract
Namespace Prefix:	cpka_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration