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Shareholders' Equity (Details) (USD $)
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3 Months Ended |
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Mar. 31, 2015
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| Shareholders' Equity [Abstract] | |
| Warrants outstanding range of exercise price | $ 12.00pme_WarrantsOutstandingRangeOfExercisePrice |
| Warrants outstanding number outstanding at March 31, 2015 | 8,966,667us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber |
| Warrants outstanding weighted average remaining contractual life (years) | 2 years 10 months 24 days |
| Warrants exercisable weighted average exercise price | $ 12.00pme_WeightedAverageExercisePriceOfWarrantsExercisable |
| Warrants exercisable number exercisable at March 31, 2015 | 8,966,667us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised |
| Warrants exercisable weighted average exercise price | $ 12.00pme_WarrantsExercisableWeightedAverageExercisePrice |
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- Definition
Warrants exercisable weighted average exercise price. No definition available.
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- Definition
Warrants outstanding range of exercise price. No definition available.
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- Definition
Warrants outstanding weighted average remaining contractual life. No definition available.
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- Definition
Weighted average exercise price of warrants exercisable. No definition available.
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- Details
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- Definition
Number of non-option equity instruments exercised by participants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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