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SUBSEQUENT EVENTS (Details Narrative)	Jul. 15, 2019 USD ($)
Subsequent Event [Member]
Common share purchase warrants	$ 6,909,000

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- References

No definition available.

+ Details

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Namespace Prefix:	cpka_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: