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EQUITY (Share Capital) (Details) (USD $)
 0 Months Ended 6 Months Ended 12 Months Ended 0 Months Ended
Mar. 09, 2015
Nov. 07, 2014
Oct. 23, 2013
Apr. 16, 2013
Jan. 08, 2013
Dec. 19, 2012
Dec. 31, 2013
Dec. 31, 2014
Jun. 30, 2013
Jun. 30, 2012
Aug. 15, 2014
Apr. 05, 2012
Class of Stock [Line Items]                        
Shares of capital stock authorized               130,000,000nspr_SharesAuthorized        
Common stock, par value per share             $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare        
Common stock, shares authorized             125,000,000us-gaap_CommonStockSharesAuthorized 125,000,000us-gaap_CommonStockSharesAuthorized        
Preferred stock, shares authorized               5,000,000us-gaap_PreferredStockSharesAuthorized        
Stock split ratio           0.25us-gaap_StockholdersEquityNoteStockSplitConversionRatio1            
Common stock, shares issued             33,983,346us-gaap_CommonStockSharesIssued 41,368,889us-gaap_CommonStockSharesIssued        
Common stock, shares outstanding             33,983,346us-gaap_CommonStockSharesOutstanding 41,368,889us-gaap_CommonStockSharesOutstanding        
Issuance of shares, shares         178,029us-gaap_StockIssuedDuringPeriodSharesOther              
Number of shares sold 34,369,675us-gaap_StockIssuedDuringPeriodSharesNewIssues 6,261,846us-gaap_StockIssuedDuringPeriodSharesNewIssues   12,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues                
Issuance of shares - net of issuance costs       $ 22,600,000us-gaap_StockIssuedDuringPeriodValueNewIssues       $ 9,646,000us-gaap_StockIssuedDuringPeriodValueNewIssues $ 22,880,000us-gaap_StockIssuedDuringPeriodValueNewIssues      
Stock purchase price   $ 1.30us-gaap_SharesIssuedPricePerShare   $ 2.00us-gaap_SharesIssuedPricePerShare                
Proceeds from issuance of shares 12,500,000us-gaap_ProceedsFromIssuanceOfCommonStock 7,400,000us-gaap_ProceedsFromIssuanceOfCommonStock            9,535,000us-gaap_ProceedsFromIssuanceOfCommonStock 22,880,000us-gaap_ProceedsFromIssuanceOfCommonStock       
Maximum aggregate offering price     40,000,000nspr_RegistrationPaymentArrangementMaximumAmountOfOffering                  
Commission rate     3.00%nspr_RegistrationPaymentArrangementCommissionRate                  
At the Market Agreement [Member]                        
Class of Stock [Line Items]                        
Number of shares sold               948,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= nspr_AtMarketAgreementMember		     948,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= nspr_AtMarketAgreementMember		  
Issuance of shares - net of issuance costs               $ 2,200,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= nspr_AtMarketAgreementMember		     $ 2,200,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= nspr_AtMarketAgreementMember		  
2011 Stock Purchase Agreement [Member]                        
Class of Stock [Line Items]                        
Issuance of shares, shares       792,884us-gaap_StockIssuedDuringPeriodSharesOther
/ us-gaap_SubsidiarySaleOfStockAxis
= nspr_StockPurchaseAgreement2011Member		       49,426us-gaap_StockIssuedDuringPeriodSharesOther
/ us-gaap_SubsidiarySaleOfStockAxis
= nspr_StockPurchaseAgreement2011Member		        
Warrants Issued with Convertible Debentures [Member]                        
Class of Warrant or Right [Line Items]                        
Number of shares called by warrants                       835,866us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_WarrantsIssuedWithConvertibleDebenturesMember
Warrant exercise price                       $ 7.20us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_WarrantsIssuedWithConvertibleDebenturesMember
Lender Warrants [Member]                        
Class of Warrant or Right [Line Items]                        
Number of shares called by warrants     168,351us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_LenderWarrantsMember		                  
Warrant term     5 years                  
Warrant exercise price     $ 2.97us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_LenderWarrantsMember		                  
November Investor Warrants [Member]                        
Class of Warrant or Right [Line Items]                        
Number of shares called by warrants   3,130,923us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_NovemberInvestorWarrantsMember		                    
Warrant term   42 months                    
Number of shares covered by each warrants   0.5us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_NovemberInvestorWarrantsMember		                    
Warrant exercise price   $ 1.75us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_NovemberInvestorWarrantsMember		                    
Rights Agreement [Member]                        
Class of Warrant or Right [Line Items]                        
Ownership percentage             15.00%nspr_RightsAgreementOwnershipPercentage
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_RightsAgreementMember