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INTANGIBLE ASSETS AND GOODWILL (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Amortization expense   $ 16us-gaap_AmortizationOfIntangibleAssets $ 16us-gaap_AmortizationOfIntangibleAssets $ 16us-gaap_AmortizationOfIntangibleAssets
Carrying amount of acquired trademarks and trade names   15us-gaap_FiniteLivedTrademarksGross 31us-gaap_FiniteLivedTrademarksGross 47us-gaap_FiniteLivedTrademarksGross
Carrying amount of Finite Lived Patents Gross   129us-gaap_FiniteLivedPatentsGross 141us-gaap_FiniteLivedPatentsGross 147us-gaap_FiniteLivedPatentsGross
Purchaser warrant shares, Vocel 150,000us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants      
Purchaser warrant exercisable share price $ 0.88us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1      
gross revenue payable to Vocel, percentage 75.00%IWSY_GrossRevenuePayableToVocelPercentage      
Aggregate fair value of the consideration issued 159us-gaap_BusinessCombinationConsiderationTransferred1      
Trademarks And Trade Names [Member]        
Amortization expense   16us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= IWSY_TrademarksTradeNamesMember
16us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= IWSY_TrademarksTradeNamesMember
16us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= IWSY_TrademarksTradeNamesMember
Accumulated amortization   332us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= IWSY_TrademarksTradeNamesMember
316us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= IWSY_TrademarksTradeNamesMember
300us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= IWSY_TrademarksTradeNamesMember
Patents [Member]        
Amortization expense   12us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
12us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
6us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Accumulated amortization   530us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
518us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
512us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Aggregate fair value of the consideration issued   $ 159us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
   
Weighted-average remaining life of acquired patents   11 years 6 months