Combined foreign statutory tax rate - equality and corporate tax rates combined

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- Definition

Deferred Tax Assets, Federal and State Net Operating Loss and Alternative Minimum Tax Credit Carryforward

+ References

No definition available.

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- Definition

Estimated Net Worth Tax Obligation

+ References

No definition available.

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- Definition

Foreign equality tax rate - Statutory equality tax rate in Colombia

+ References

No definition available.

+ Details

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- Definition

Foreign Statutory Rate, current - Statutory corporate income tax rate in Colombia after change in rates effective December 26, 2012

+ References

No definition available.

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- Definition

Foreign Statutory Rate, previous - Statutory corporate income tax rate in Colombia prior to change in rates on December 26, 2012

+ References

No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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-Publisher FASB

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

+ References

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- Definition

Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Income Taxes Details (Details) (USD $)	12 Months Ended
Income Taxes Details (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2018
Capital loss carryforward	$ 1,009,000	$ 1,008,000
Deferred Tax Assets, Valuation Allowance	(1,504,000)	(1,008,000)
Deferred Tax Assets, Federal and State Net Operating Loss and Alternative Minimum Tax Credit Carryforward	84,782,000	94,605,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	2,562,000	3,411,000
Undistributed Earnings of Foreign Subsidiaries	11,600,000
Foreign Statutory Rate, previous		33.00%pes_ForeignStatutoryRatePrevious
Foreign Statutory Rate, current		25.00%pes_ForeignStatutoryRateCurrent
Foreign equality tax rate	9.00%pes_ForeignEqualityTaxRate	9.00%pes_ForeignEqualityTaxRate
Combined foreign statutory tax rate		34.00%pes_CombinedForeignStatutoryTaxRate
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	200,000	1,700,000
Subsequent Event [Member]
Foreign equality tax rate			17.00%	15.00%	14.00%	18.00%
Combined foreign statutory tax rate			42.00%	40.00%	39.00%	43.00%
Net Worth Tax Obligation			500,000	1,200,000	1,400,000
State and Local Jurisdiction [Member]
Deferred Tax Assets, Valuation Allowance	$ (496,000)