Cash equivalents and short-term investments held for discharge of obligations.

No definition available.

Name:	pcti_CashEquivalentsAndShortTermInvestmentsHeldForDischargeOfObligations
Namespace Prefix:	pcti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Insurance Coverage Amount

+ References

No definition available.

+ Details

Name:	pcti_InsuranceCoverageAmount
Namespace Prefix:	pcti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum percentage of cash bonuses for contribution in compensation plan.

+ References

No definition available.

+ Details

Name:	pcti_MaximumPercentageOfCashBonusesForContributionInCompensationPlan
Namespace Prefix:	pcti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum percentage of current compensation of employee to contribute in plan.

+ References

No definition available.

+ Details

Name:	pcti_MaximumPercentageOfCurrentCompensationOfEmployeeToContributeInPlan
Namespace Prefix:	pcti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum percentage of salary for contribution in compensation plan.

+ References

No definition available.

+ Details

Name:	pcti_MaximumPercentageOfSalaryForContributionInCompensationPlan
Namespace Prefix:	pcti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

+ Details

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

- Details

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

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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

Benefit Plans - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2013 Prepaid Assets and Other Receivables [Member]	Sep. 30, 2014 Employee Benefit Plans [Member]	Dec. 31, 2013 Executive Deferred Compensation Plan [Member]	Sep. 30, 2014 Executive Deferred Compensation Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Maximum percentage of current compensation of employee to contribute in plan		15.00%
Maximum percentage of salary for contribution in compensation plan			50.00%
Maximum percentage of cash bonuses for contribution in compensation plan			100.00%
Percent of matching cash			4.00%
Fund received for insurance company	$ 1.9
Value of investment account to fund obligation				2.0
Deferred compensation obligation			$ 1.9	$ 2.0