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STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)
Total
Series A Preferred Stock [Member]
Series B Preferred Stock [Member]
Common Stock [Member]
Common Stock [Member]
Series A Preferred Stock [Member]
Common Stock [Member]
Series B Preferred Stock [Member]
Additional paid in capital [Member]
Additional paid in capital [Member]
Series A Preferred Stock [Member]
Additional paid in capital [Member]
Series B Preferred Stock [Member]
Accumulated other comprehensive income (loss) [Member]
Accumulated other comprehensive income (loss) [Member]
Series A Preferred Stock [Member]
Accumulated other comprehensive income (loss) [Member]
Series B Preferred Stock [Member]
Accumulated Deficit [Member]
Accumulated Deficit [Member]
Series A Preferred Stock [Member]
Accumulated Deficit [Member]
Series B Preferred Stock [Member]
Balance at Dec. 31, 2011 $ 968,239us-gaap_StockholdersEquity     $ 5,296us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     $ 13,457,828us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		     $ 22,634us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		     $ (12,517,519)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		    
Balance, shares at Dec. 31, 2011       5,295,543us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                      
Income (loss) for the year (2,772,307)us-gaap_NetIncomeLoss                          (2,772,307)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		    
Other comprehensive income (loss) (13,709)us-gaap_OtherComprehensiveIncomeLossNetOfTax                   (13,709)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		           
Issuance of shares of Common Stock, net of related expenses 917,179us-gaap_StockIssuedDuringPeriodValueNewIssues     165us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     917,014us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Issuance of shares of Common Stock, net of related expenses, shares       165,057us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                      
Warrants classified to equity due to the expiration of the down-round protection period/Warrants issued as consideration for placement services 48,007us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued            48,007us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Stock-based compensation 349,522us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation            349,522us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Stock-based compensation, shares                               
Balance at Dec. 31, 2012 (503,069)us-gaap_StockholdersEquity     5,461us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     14,772,371us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		     8,925us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		     (15,289,826)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		    
Balance, shares at Dec. 31, 2012       5,460,600us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                      
Income (loss) for the year (9,796,853)us-gaap_NetIncomeLoss                          (9,796,853)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		    
Other comprehensive income (loss) 43,777us-gaap_OtherComprehensiveIncomeLossNetOfTax                   43,777us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		           
Amount classified out of stockholders equity and presented as liability and temporary equity with respect to Common Stock replaced with units comprised of convertible Preferred Stock and warrants (1,140,349)us-gaap_StockholdersEquityOther     (163)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     (1,140,186)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Amount classified out of stockholders equity and presented as liability and temporary equity with respect to Common Stock replaced with units comprised of convertible Preferred Stock and warrants, shares       (162,907)us-gaap_StockholdersEquityOtherShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                      
Conversion of Preferred Stock 23,200igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock     4igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     23,196igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Conversion of Preferred Stock, shares       4,000igap_StockIssuedDuringPeriodSharesConversionOfConvertiblePreferredStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                      
Stock dividend to certain Common Stock holders               278,263us-gaap_DividendsStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		            (278,263)us-gaap_DividendsStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		    
Warrants classified to equity due to the expiration of the down-round protection period/Warrants issued as consideration for placement services 562,805us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued            562,805us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Dividend on convertible Preferred Stock   (288,248)us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember		                          (288,248)us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		  
Stock-based compensation 35,619us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation            35,619us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Stock-based compensation, shares                               
Balance at Dec. 31, 2013 (11,063,118)us-gaap_StockholdersEquity     5,302us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     14,532,068us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		     52,702us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		     (25,653,190)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		    
Balance, shares at Dec. 31, 2013 5,301,693us-gaap_CommonStockSharesOutstanding     5,301,693us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                      
Income (loss) for the year 2,980,426us-gaap_NetIncomeLoss                          2,980,426us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		    
Other comprehensive income (loss) 13,968us-gaap_OtherComprehensiveIncomeLossNetOfTax                   13,968us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		           
Amounts allocated to Series B-1 and Series B-2 Warrants, net 3,320,429igap_AdjustmentsToAdditionalPaidInCapitalInvestorWarrantIssued            3,320,429igap_AdjustmentsToAdditionalPaidInCapitalInvestorWarrantIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Amount classified out of stockholders deficit and presented as Warrants with Down-Round Protection within long-term liabilities (400,671)igap_AdjustmentsToAdditionalPaidInCapitalReclassificationOutOfStockholdersEquityToLiabilities            (400,671)igap_AdjustmentsToAdditionalPaidInCapitalReclassificationOutOfStockholdersEquityToLiabilities
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Conversion of Preferred Stock 5,888igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock     2igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     5,886igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Conversion of Preferred Stock, shares       1,725igap_StockIssuedDuringPeriodSharesConversionOfConvertiblePreferredStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                      
Stock dividend to certain Common Stock holders        1us-gaap_DividendsStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     (1)us-gaap_DividendsStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Stock dividend to certain Common Stock holders, shares       654igap_StockIssuedDuringPeriodSharesStockDividend
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                      
Warrants classified to equity due to the expiration of the down-round protection period/Warrants issued as consideration for placement services 630,936us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued            630,936us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Dividend on convertible Preferred Stock   (370,441)us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember		                          (370,441)us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		  
Stock dividend on Series B Preferred Stock            19us-gaap_DividendsPreferredStockStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     43,839us-gaap_DividendsPreferredStockStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		            (43,858)us-gaap_DividendsPreferredStockStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Stock dividend on Preferred Stock     18,986us-gaap_PreferredStockDividendsShares
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember		     18,986us-gaap_PreferredStockDividendsShares
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                  
Stock-based compensation 50,380us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation            50,380us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		                  
Stock-based compensation, shares                               
Balance at Dec. 31, 2014 $ (4,832,203)us-gaap_StockholdersEquity     $ 5,324us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		     $ 18,182,866us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		     $ 66,670us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		     $ (23,087,063)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		    
Balance, shares at Dec. 31, 2014 5,323,059us-gaap_CommonStockSharesOutstanding     5,323,058us-gaap_CommonStockSharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember