Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details Textual)

v2.4.1.9
Subsequent Events (Details Textual) (Subsequent Event [Member], Chief Marketing Officer [Member], USD $)
Jan. 09, 2015
Subsequent Event [Member] | Chief Marketing Officer [Member]
 
Subsequent Event [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number 10,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_TitleOfIndividualAxis
= ipwr_ChiefMarketingOfficerMember
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value $ 140,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_TitleOfIndividualAxis
= ipwr_ChiefMarketingOfficerMember