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SIGNIFICANT ACCOUNTING POLICIES (Details Textual)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Accounting Policies [Line Items]    
Deferred Revenue, Description Subscriptions to database information can be purchased for month-to-month, one, two, and three year periods. Revenue from subscriptions are deferred and recognized over the contractual period, which is typically three years  
Customer One [Member]    
Accounting Policies [Line Items]    
Entity-Wide Revenue, Major Customer, Percentage 10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_MajorCustomersAxis
= idn_CustomerOneMember
17.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_MajorCustomersAxis
= idn_CustomerOneMember