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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]
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Balance at Dec. 31, 2011 | $ 968,239 us-gaap_StockholdersEquity |  |  | $ 5,296 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  | $ 13,457,828 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | $ 22,634 us-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 |  |  |  | 5,295,543 us-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 | 917,179 us-gaap_StockIssuedDuringPeriodValueNewIssues |  |  | 165 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  | 917,014 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |  |  |  |  |
Issuance of shares of Common Stock, net of related expenses, shares |  |  |  | 165,057 us-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 | 48,007 us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued |  |  |  |  |  | 48,007 us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |  |  |  |  |
Stock-based compensation | 349,522 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation |  |  |  |  |  | 349,522 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |  |  |  |  |
Stock-based compensation, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2012 | (503,069)us-gaap_StockholdersEquity |  |  | 5,461 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  | 14,772,371 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | 8,925 us-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 |  |  |  | 5,460,600 us-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) | 43,777 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  |  |  |  |  |  |  |  | 43,777 us-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 | 23,200 igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock |  |  | 4 igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  | 23,196 igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |  |  |  |  |
Conversion of Preferred Stock, shares |  |  |  | 4,000 igap_StockIssuedDuringPeriodSharesConversionOfConvertiblePreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |  |  |  |  |  |
Stock dividend to certain Common Stock holders |  |  |  |  |  |  | 278,263 us-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 | 562,805 us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued |  |  |  |  |  | 562,805 us-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 | 35,619 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation |  |  |  |  |  | 35,619 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |  |  |  |  |
Stock-based compensation, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2013 | (11,063,118)us-gaap_StockholdersEquity |  |  | 5,302 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  | 14,532,068 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | 52,702 us-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 | 5,301,693 us-gaap_CommonStockSharesOutstanding |  |  | 5,301,693 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |  |  |  |  |  |
Income (loss) for the year | 2,980,426 us-gaap_NetIncomeLoss |  |  |  |  |  |  |  |  |  |  |  | 2,980,426 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |
Other comprehensive income (loss) | 13,968 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  |  |  |  |  |  |  |  | 13,968 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |  |  |  |
Amounts allocated to Series B-1 and Series B-2 Warrants, net | 3,320,429 igap_AdjustmentsToAdditionalPaidInCapitalInvestorWarrantIssued |  |  |  |  |  | 3,320,429 igap_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 | 5,888 igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock |  |  | 2 igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  | 5,886 igap_StockIssuedDuringPeriodValueConversionOfConvertiblePreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |  |  |  |  |
Conversion of Preferred Stock, shares |  |  |  | 1,725 igap_StockIssuedDuringPeriodSharesConversionOfConvertiblePreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |  |  |  |  |  |
Stock dividend to certain Common Stock holders |  |  |  | 1 us-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 |  |  |  | 654 igap_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 | 630,936 us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued |  |  |  |  |  | 630,936 us-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 |  |  |  |  |  | 19 us-gaap_DividendsPreferredStockStock / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  | 43,839 us-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 |  |  | 18,986 us-gaap_PreferredStockDividendsShares / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember |  |  | 18,986 us-gaap_PreferredStockDividendsShares / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |  |  |  |
Stock-based compensation | 50,380 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation |  |  |  |  |  | 50,380 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |  |  |  |  |
Stock-based compensation, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2014 | $ (4,832,203)us-gaap_StockholdersEquity |  |  | $ 5,324 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  | $ 18,182,866 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | $ 66,670 us-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 | 5,323,059 us-gaap_CommonStockSharesOutstanding |  |  | 5,323,058 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |  |  |  |  |  |  |

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