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16. Tax (Details 1) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Deferred tax assets: | ||
| Accrued compensation | $ 2,638,000MEEC_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsAccrued | $ 1,615,000MEEC_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsAccrued |
| Net operating loss carryforwards | 7,185,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 5,659,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
| Property and equipment | 38,000us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment | 302,000us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment |
| Valuation allowance | (9,861,000)us-gaap_DeferredTaxAssetsValuationAllowance | (7,576,000)us-gaap_DeferredTaxAssetsValuationAllowance |
| Net deferred tax assets |
| X | ||||||||||
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- Definition
Accrued compensation No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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