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Capital Stock (Details) (USD $)
9 Months Ended 12 Months Ended
May 31, 2014
Aug. 31, 2013
Aug. 30, 2013
Number of warrants/options were outstanding and exercisable 5,580,931us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants 23,500us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants  
March 2016      
Exercise Price 100.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_March2016Member
  $ 100.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_March2016Member
Number of warrants/options were outstanding and exercisable 3,250us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_March2016Member
  3,250us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_March2016Member
August 2016      
Exercise Price 32.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_August2016Member
  $ 32.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_August2016Member
Number of warrants/options were outstanding and exercisable 15,000us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_August2016Member
  15,000us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_August2016Member
March 2019      
Exercise Price 0.18invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_March2019Member
  $ 0.18invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_March2019Member
Number of warrants/options were outstanding and exercisable 1,875us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_March2019Member
    
April 2020      
Exercise Price 124.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_April2020Member
  $ 124.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_April2020Member
Number of warrants/options were outstanding and exercisable 250us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_April2020Member
  250us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_April2020Member
March 2020      
Exercise Price 0.22invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_March2020Member
  $ 0.22invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_March2020Member
Number of warrants/options were outstanding and exercisable 5,555,556us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_March2020Member
    
Feb 2021      
Exercise Price 20.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_Feb2021Member
  $ 20.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_AwardDateAxis
= iron_Feb2021Member
Number of warrants/options were outstanding and exercisable 5,000us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_Feb2021Member
  5,000us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_AwardDateAxis
= iron_Feb2021Member