REVENUE RECOGNITION (Details Textual) (USD $)	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Amortization Of Deferred Equipment Revenue	$ 815,000	$ 908,000	$ 2,289,000	$ 2,451,000

The revenue recognized in earnings from the periodic recognition of deferred equipment revenue.

No definition available.

Name:	idsy_AmortizationOfDeferredEquipmentRevenue
Namespace Prefix:	idsy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration