Annual report pursuant to Section 13 and 15(d)

Note 14 - Profit Sharing Plan (Details)

v2.4.1.9
Note 14 - Profit Sharing Plan (Details)
12 Months Ended
Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Minimum Age For Full Time Employees To Participate In Plan 18pesi_MinimumAgeForFullTimeEmployeesToParticipateInPlan
Number Of Quarterly Open Periods For Enrollment 4pesi_NumberOfQuarterlyOpenPeriodsForEnrollment
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 100.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 25.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Defined Contribution Plan Employers Contribution Vesting Period 5 years