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COMMON STOCK, PREFERRED STOCK AND WARRANTS WITH-DOWN ROUND PROTECTION (Warrants with down round protection) (Details) (Series A Warrants [Member], USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2014 | Aug. 29, 2014 | Dec. 31, 2013
Series A Warrants [Member] |  |  |
Warrants with down round protection [Line Items] |  |  |
Warrants term | 5 years |  |
Warrant exercise price | $ 6.96 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = igap_SeriesAWarrantMember | $ 5.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = igap_SeriesAWarrantMember |
Number of warrants exercisable | 1,539,364 igap_ClassOfWarrantOrRightNumberOfWarrantsExercisable / us-gaap_ClassOfWarrantOrRightAxis = igap_SeriesAWarrantMember |  | 1,282,775 igap_ClassOfWarrantOrRightNumberOfWarrantsExercisable / us-gaap_ClassOfWarrantOrRightAxis = igap_SeriesAWarrantMember

X
- Definition Represents number of warrants are exercisable into an shares of common stock. + References No definition available. + Details
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- Definition Class Of Warrant Or Right, Term. + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Details
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