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Summary of Significant Accounting Policies (Details Textual) (USD $)
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3 Months Ended |
12 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2014
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| Summary Of Significant Accounting Policies [Line Items] |
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| Property, Plant and Equipment, Depreciation Methods |
straight-line method
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| Grants Receivable, Current |
$ 0us-gaap_GrantsReceivableCurrent
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132,227us-gaap_GrantsReceivableCurrent
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| Research And Development Expense Including Grants |
992,232ipwr_ResearchAndDevelopmentExpenseIncludingGrants
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512,446ipwr_ResearchAndDevelopmentExpenseIncludingGrants
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| Research and Development Expense, Grants |
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202,883ipwr_ResearchAndDevelopmentExpenseGrants
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| Cash, FDIC Insured Amount |
$ 250,000us-gaap_CashFDICInsuredAmount
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| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
2,951,294us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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2,400,663us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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| Sales Revenue, Net [Member] | Customer Concentration Risk [Member] |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Concentration Risk, Percentage |
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33.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
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| Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Customer Three [Member] |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Concentration Risk, Percentage |
13.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= ipwr_CustomerThreeMember
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| Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Customer One [Member] |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Concentration Risk, Percentage |
51.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= ipwr_CustomerOneMember
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| Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Customer Two [Member] |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Concentration Risk, Percentage |
13.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= ipwr_CustomerTwoMember
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| Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Government Entity [Member] |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Concentration Risk, Percentage |
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63.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= ipwr_GovernmentEntityMember
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| Trade Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Three [Member] |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Concentration Risk, Percentage |
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92.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= ipwr_CustomerThreeMember
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| Trade Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Two [Member] |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Concentration Risk, Percentage |
72.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= ipwr_CustomerTwoMember
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| Patents [Member] |
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| Summary Of Significant Accounting Policies [Line Items] |
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| Finite-Lived Intangible Assets, Amortization Method |
straight-line method
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| Finite-Lived Intangible Asset, Useful Life |
20 years
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