XML 57 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9
Asset Purchase Agreements (Details Textual) (USD $)
3 Months Ended 1 Months Ended
Mar. 31, 2015
Nov. 18, 2014
Mar. 27, 2015
AstraZeneca [Member]      
Payments to Acquire Other Productive Assets $ 500,000us-gaap_PaymentsToAcquireOtherProductiveAssets
/ us-gaap_BusinessAcquisitionAxis
= ig_AstrazenecaMember
   
Milestone Payment 6,000,000ig_MilsestonePayment
/ us-gaap_BusinessAcquisitionAxis
= ig_AstrazenecaMember
   
Business Combination, Contingent Consideration, Liability 3,000,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= ig_AstrazenecaMember
   
AstraZeneca [Member] | Royalty Obligations [Member]      
Payments to Acquire Productive Assets 6,900,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_BusinessAcquisitionAxis
= ig_AstrazenecaMember
/ us-gaap_ContingentConsiderationByTypeAxis
= ig_RoyaltyObligationsMember
   
Valeant [Member]      
Payments to Acquire Other Productive Assets 1,500,000us-gaap_PaymentsToAcquireOtherProductiveAssets
/ us-gaap_BusinessAcquisitionAxis
= ig_ValeantMember
12,015us-gaap_PaymentsToAcquireOtherProductiveAssets
/ us-gaap_BusinessAcquisitionAxis
= ig_ValeantMember
 
Payments to Acquire Productive Assets 3,500,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_BusinessAcquisitionAxis
= ig_ValeantMember
   
Valeant [Member] | Option exercised for Each of Two Additional Products [Member]      
Business Combination, Contingent Consideration, Liability 750,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= ig_ValeantMember
/ us-gaap_ContingentConsiderationByTypeAxis
= ig_OptionExercisedForEachOfTwoAdditionalProductsMember
  1,500,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= ig_ValeantMember
/ us-gaap_ContingentConsiderationByTypeAxis
= ig_OptionExercisedForEachOfTwoAdditionalProductsMember
Valeant [Member] | Option exercised for One Additional Products [Member]      
Business Combination, Contingent Consideration, Liability 500,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= ig_ValeantMember
/ us-gaap_ContingentConsiderationByTypeAxis
= ig_OptionExercisedForOneAdditionalProductsMember
   
Valeant [Member] | Option exercised for Total Aggregate Additional Products [Member]      
Business Combination, Contingent Consideration, Liability $ 2,000,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= ig_ValeantMember
/ us-gaap_ContingentConsiderationByTypeAxis
= ig_OptionExercisedForTotalAggregateAdditionalProductsMember