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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (Exchange One [Member], USD $)
3 Months Ended
Mar. 31, 2015
Conversion of Stock [Line Items]  
Number of units converted 898,146us-gaap_ConversionOfStockSharesConverted1
Non-cash charge included in finance expenses $ 773,297igap_NoncashChargesIncludedInFinancingExpenses
Series B-1 Warrant [Member]
 
Conversion of Stock [Line Items]  
Stock issued upon conversion 748,454us-gaap_ConversionOfStockSharesIssued1
/ us-gaap_ClassOfWarrantOrRightAxis
= igap_SeriesB1WarrantMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
Amount allocated 1,143,139us-gaap_ConversionOfStockAmountIssued1
/ us-gaap_ClassOfWarrantOrRightAxis
= igap_SeriesB1WarrantMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
Series B-2 Warrant [Member]
 
Conversion of Stock [Line Items]  
Stock issued upon conversion 748,454us-gaap_ConversionOfStockSharesIssued1
/ us-gaap_ClassOfWarrantOrRightAxis
= igap_SeriesB2WarrantMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
Amount allocated 1,004,226us-gaap_ConversionOfStockAmountIssued1
/ us-gaap_ClassOfWarrantOrRightAxis
= igap_SeriesB2WarrantMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
Series A Warrant [Member]
 
Conversion of Stock [Line Items]  
Amount of stock converted 1,014,471us-gaap_ConversionOfStockAmountConverted1
/ us-gaap_ClassOfWarrantOrRightAxis
= igap_SeriesAWarrantMember
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
Series A Preferred Stock [Member]
 
Conversion of Stock [Line Items]  
Number of units converted 4,341us-gaap_ConversionOfStockSharesConverted1
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Amount of stock converted 2,553,267us-gaap_ConversionOfStockAmountConverted1
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Series B Preferred Stock [Member]
 
Conversion of Stock [Line Items]  
Stock issued upon conversion 4,341us-gaap_ConversionOfStockSharesIssued1
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
Amount allocated $ 2,193,670us-gaap_ConversionOfStockAmountIssued1
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= igap_ExchangeOneMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember