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Related Party Transactions (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Related Party Transaction [Line Items]      
Available-For-Sale Securities, Current $ 1,683,480us-gaap_AvailableForSaleSecuritiesCurrent   $ 1,932,801us-gaap_AvailableForSaleSecuritiesCurrent
MDB Capital Group LLC [Member]      
Related Party Transaction [Line Items]      
Available-For-Sale Securities, Current 1,683,480us-gaap_AvailableForSaleSecuritiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
  1,932,801us-gaap_AvailableForSaleSecuritiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
Federal Securities Current 49,819issm_FederalSecuritiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
  49,690issm_FederalSecuritiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
Certificates Of Deposit Municipal Securities and Corporate Bonds 1,633,661issm_CertificatesOfDepositMunicipalSecuritiesAndCorporateBonds
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
  1,883,111issm_CertificatesOfDepositMunicipalSecuritiesAndCorporateBonds
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
Reimbursement For Related Party Services Per Month 3,000issm_ReimbursementForRelatedPartyServicesPerMonth
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
3,000issm_ReimbursementForRelatedPartyServicesPerMonth
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
 
Reimbursement For Related Party Services $ 9,000issm_ReimbursementForRelatedPartyServices
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
$ 9,000issm_ReimbursementForRelatedPartyServices
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember