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Related Party Transactions (Details Textual) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Related Party Transaction [Line Items]    
Available-For-Sale Securities, Current $ 1,932,801us-gaap_AvailableForSaleSecuritiesCurrent $ 2,526,542us-gaap_AvailableForSaleSecuritiesCurrent
MDB Capital Group LLC [Member]    
Related Party Transaction [Line Items]    
Available-For-Sale Securities, Current 1,932,801us-gaap_AvailableForSaleSecuritiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember		 2,526,542us-gaap_AvailableForSaleSecuritiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
Federal Securities Current 49,690issm_FederalSecuritiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember		 90,365issm_FederalSecuritiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
Certificates Of Deposit Municipal Securities and Corporate Bonds 1,883,111issm_CertificatesOfDepositMunicipalSecuritiesAndCorporateBonds
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember		 2,436,177issm_CertificatesOfDepositMunicipalSecuritiesAndCorporateBonds
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember
Reimbursement For Related Party Services Per Month 3,000issm_ReimbursementForRelatedPartyServicesPerMonth
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember		  
Reimbursement For Related Party Services $ 36,000issm_ReimbursementForRelatedPartyServices
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember		 $ 36,000issm_ReimbursementForRelatedPartyServices
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= issm_MdbCapitalGroupLlcMember