Consolidated Statement of Changes in Equity (USD $)
In Thousands, unless otherwise specified |
Total
|
Common Stock
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Treasury Stock
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Capital in Excess of Par Value
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Accumulated Deficit
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Accumulated Other Comprehensive Loss
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Non-controlling Interest
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Beginning balance at Jun. 30, 2014 | $ 45,917us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
$ 550us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ (9,344)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
$ 92,986us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ (36,266)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ (2,009)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
$ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | |||||||
Formation of Utah CO2 LLC | 96us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination |
96us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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Contributions to Utah CO2 LLC | 85us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance |
85us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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Net loss | (5,513)us-gaap_ProfitLoss |
(5,343)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
(170)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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Other comprehensive loss, net of tax | (9,605)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest |
(9,605)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
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Stock and stock based compensation | 901us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation |
2us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
899us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Executive and employee forfeiture of options upon resignation | (430)mpet_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsForfeituresinPeriodValue |
(430)mpet_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsForfeituresinPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Executive forfeiture of restricted stock upon resignation | (44)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures |
(1)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
(43)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Purchase of stock and options from former executive | (1,445)us-gaap_StockRepurchasedDuringPeriodValue |
(462)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
(983)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Net shares repurchased for employee tax costs upon vesting of restricted stock | (104)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation |
(104)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Stock options exercised, net of shares withheld to satisfy employee tax obligations | 115us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |
3us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
112us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Preferred stock dividend | (859)us-gaap_DividendsPreferredStock |
(859)us-gaap_DividendsPreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
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Ending balance at Dec. 31, 2014 | $ 29,114us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
$ 554us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ (9,806)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
$ 92,437us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ (42,468)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ (11,614)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
$ 11us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
X | ||||||||||
- Definition
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Value No definition available.
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X | ||||||||||
- Definition
The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. No definition available.
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X | ||||||||||
- Definition
Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Increase in noncontrolling interest balance because of a business combination that occurred during the period. No definition available.
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X | ||||||||||
- Definition
Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders. No definition available.
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X | ||||||||||
- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value, after forfeitures, of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value of stock related to Restricted Stock Awards forfeited during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value of stock issued as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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