Amount of the fee that accompanies borrowing money under the debt instrument.

No definition available.

Name:	pkt_LineOfCreditFacilityTerminationFee
Namespace Prefix:	pkt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of net revenue from no other single customer.

+ References

No definition available.

+ Details

Name:	pkt_PercentageOfNetRevenueFromNoOtherSingleCustomerInHundredths
Namespace Prefix:	pkt_
Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Represents the period of time the termination of the credit agreement takes effect upon receipt of written notice of termination.

+ References

No definition available.

+ Details

Name:	pkt_TerminationPeriod
Namespace Prefix:	pkt_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

The time period the credit facility is available for borrowing.

+ References

No definition available.

+ Details

Name:	pkt_TermOfCreditFacility
Namespace Prefix:	pkt_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the maximum period of time the operating and office facility leases are effective.

+ References

No definition available.

+ Details

Name:	pkt_TermOfLeaseMaximum
Namespace Prefix:	pkt_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ConcentrationRiskLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

When presenting a range of interest rates, the lowest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

- Definition

Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_LeasesOperatingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility first became available, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 16

-Subparagraph b(i)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 122

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
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- Details

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Balance Type:	na
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- Definition

Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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COMMITMENTS AND CONTINGENCIES (Details) (USD $)	3 Months Ended		3 Months Ended					12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended
COMMITMENTS AND CONTINGENCIES (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2013 Net Revenues [Member]	Mar. 31, 2013 Shaw Communications, Inc. [Member] Net Revenues [Member]	Mar. 31, 2012 Shaw Communications, Inc. [Member] Net Revenues [Member]	Mar. 31, 2013 Cox Communications, Inc. [Member] Net Revenues [Member]	Mar. 31, 2012 Cox Communications, Inc. [Member] Net Revenues [Member]	Mar. 31, 2013 Customer One [Member] Accounts Receivable [Member]	Dec. 31, 2012 Customer One [Member] Accounts Receivable [Member]	Mar. 31, 2013 Customer Two [Member] Accounts Receivable [Member]	Dec. 31, 2012 Customer Two [Member] Accounts Receivable [Member]	Mar. 31, 2012 Customer Three [Member] Net Revenues [Member]	Dec. 31, 2012 Customer Three [Member] Accounts Receivable [Member]	Mar. 31, 2013 Customers Outside the United States [Member] Accounts Receivable [Member]	Dec. 31, 2012 Customers Outside the United States [Member] Accounts Receivable [Member]	Mar. 31, 2013 Silicon Valley Bank [Member] Secured Line of Credit [Member]	Dec. 31, 2012 Silicon Valley Bank [Member] Secured Line of Credit [Member]	Dec. 10, 2009 Silicon Valley Bank [Member] Secured Line of Credit [Member]
Operating Leases [Abstract]
Term of lease, maximum	3 years
Future minimum payments due [Abstract]
2013	$ 504,000
2014	540,000
2015	407,000
2016	326,000
2017	249,000
Total minimum lease payments	2,026,000
Line of Credit Facility [Line Items]
Issuance date															Dec. 10, 2009
Term of credit facility	2 years
Borrowing capacity															10,000,000		2,000,000
Maturity Date															Feb. 02, 2014
Spread of variable interest rate (in hundredths)															1.00%
Minimum annual interest rate (in hundredths)															4.25%
Commitment fee															35,000
Termination period															3 days
Line of credit facility termination fee															50,000
Outstanding balance of line of credit															$ 0	$ 0
Concentration Risk [Line Items]
Concentration Risk, Percentage (in hundredths)			17.00%	21.00%	22.00%	20.00%	17.00%	14.00%	15.00%	12.00%	12.00%	12.00%	69.00%	72.00%
Percentage of net revenue from no other single customer (in hundredths)		10.00%							10.00%		10.00%	10.00%