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ENTITY WIDE DISCLOSURE (Schedule of Revenues by Principal Customers) (Details) (Sales [Member])
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Customer A [Member]    
Revenues by principal customers:    
Percentage of revenues per major customer 21.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_MajorCustomersAxis
= nspr_CustomerMember		   
Customer B [Member]    
Revenues by principal customers:    
Percentage of revenues per major customer 16.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_MajorCustomersAxis
= nspr_CustomerBMember		 2.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_MajorCustomersAxis
= nspr_CustomerBMember
Customer C [Member]    
Revenues by principal customers:    
Percentage of revenues per major customer 9.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_MajorCustomersAxis
= nspr_CustomerCMember		 14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_MajorCustomersAxis
= nspr_CustomerCMember
Customer D [Member]    
Revenues by principal customers:    
Percentage of revenues per major customer    40.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_MajorCustomersAxis
= nspr_CustomerDMember