STOCKHOLDERS' EQUITY (Details)	9 Months Ended
Sep. 30, 2013
Stockholders Equity Details
Expected term (in years)	5 years
Expected stock price volatility	185.25%
Risk-free interest rate	1.48%
Expected dividend yield

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

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	cpka_ExpectedTermInYears
Namespace Prefix:	cpka_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssumptionsExpectedDividendRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

+ Details

Name:	us-gaap_FairValueAssumptionsExpectedVolatilityRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

+ Details

Name:	us-gaap_FairValueAssumptionsRiskFreeInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration