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RELATED PARTY TRANSACTIONS (Schedule of Related Party Transactions) (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Related Party Transaction [Line Items]    
Deposit (included in current liabilities) $ 1,699,000us-gaap_RelatedPartyDepositLiabilities $ 1,627,000us-gaap_RelatedPartyDepositLiabilities
Louisville, Kentucky [Member] | K and R, LLC [Member]    
Related Party Transaction [Line Items]    
Accounts receivable 32,200us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= idsa_KAndRLlcMember
/ us-gaap_StatementGeographicalAxis
= idsa_LouisvilleKentuckyMember
 
Deposit (included in current liabilities) 500,000us-gaap_RelatedPartyDepositLiabilities
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= idsa_KAndRLlcMember
/ us-gaap_StatementGeographicalAxis
= idsa_LouisvilleKentuckyMember
 
Deposits (included in other long-term assets) 42,100idsa_DepositsRelatedPartiesNoncurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= idsa_KAndRLlcMember
/ us-gaap_StatementGeographicalAxis
= idsa_LouisvilleKentuckyMember
 
Louisville, Kentucky [Member] | K and R, LLC [Member] | Accrued Rent, Property [Member]    
Related Party Transaction [Line Items]    
Accrued expenses 770,600us-gaap_DueToRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionAxis
= idsa_RelatedPartyTransactionAccruedRentPropertyMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= idsa_KAndRLlcMember
/ us-gaap_StatementGeographicalAxis
= idsa_LouisvilleKentuckyMember
 
Louisville, Kentucky [Member] | K and R, LLC [Member] | Rent Expense, Property [Member]    
Related Party Transaction [Line Items]    
Expenses 161,500us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= idsa_RelatedPartyTransactionRentExpensePropertyMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= idsa_KAndRLlcMember
/ us-gaap_StatementGeographicalAxis
= idsa_LouisvilleKentuckyMember
 
Louisville, Kentucky [Member] | K and R, LLC [Member] | Lease Expense, Equipment [Member]    
Related Party Transaction [Line Items]    
Expenses $ 31,500us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
/ us-gaap_RelatedPartyTransactionAxis
= idsa_RelatedPartyTransactionLeaseExpenseEquipmentMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= idsa_KAndRLlcMember
/ us-gaap_StatementGeographicalAxis
= idsa_LouisvilleKentuckyMember