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STOCK-BASED COMPENSATION (Details 1) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Number Outstanding Options 4,057,296us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 3,786,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 3,031,221us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 1,707,713us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Weighted Average Exercise Price Options $ 1.06us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice $ 0.94us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice $ 0.82us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice $ 0.76us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Number Exercisable Options 3,063,392IWSY_StockIssuedDuringPeriodSharesStockOptionsExercised1      
0.17-0.24        
Number Outstanding Options 420,221us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceFourteenMember		      
Weighted Average Remaining Life (Years) Options 4 years      
Weighted Average Exercise Price Options $ 0.19us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceFourteenMember		      
Number Exercisable Options 420,221IWSY_StockIssuedDuringPeriodSharesStockOptionsExercised1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceFourteenMember		      
Weighted-Average Exercise Price Options $ 0.19IWSY_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceFourteenMember		      
0.54-0.74        
Number Outstanding Options 752,580us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceElevenMember		      
Weighted Average Remaining Life (Years) Options 5 years 8 months 12 days      
Weighted Average Exercise Price Options $ 0.72us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceElevenMember		      
Number Exercisable Options 716,346IWSY_StockIssuedDuringPeriodSharesStockOptionsExercised1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceElevenMember		      
Weighted-Average Exercise Price Options $ 0.72IWSY_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceElevenMember		      
0.77-1.15        
Number Outstanding Options 2,047,495us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceTwelveMember		      
Weighted Average Remaining Life (Years) Options 7 years 1 month 6 days      
Weighted Average Exercise Price Options $ 0.95us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceTwelveMember		      
Number Exercisable Options 1,740,144IWSY_StockIssuedDuringPeriodSharesStockOptionsExercised1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceTwelveMember		      
Weighted-Average Exercise Price Options $ 0.96IWSY_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceTwelveMember		      
1.45-2.74        
Number Outstanding Options 837,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceThirteenMember		      
Weighted Average Remaining Life (Years) Options 8 years 8 months 12 days      
Weighted Average Exercise Price Options $ 2.07us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceThirteenMember		      
Number Exercisable Options 186,681IWSY_StockIssuedDuringPeriodSharesStockOptionsExercised1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceThirteenMember		      
Weighted-Average Exercise Price Options $ 2.10IWSY_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= IWSY_ExercisePriceThirteenMember