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DESCRIPTION OF BUSINESS (Details) (USD $)
0 Months Ended 6 Months Ended 12 Months Ended
Mar. 09, 2015
Nov. 07, 2014
Apr. 16, 2013
Dec. 31, 2013
Dec. 31, 2014
Jun. 30, 2013
Jun. 30, 2012
DESCRIPTION OF BUSINESS [Abstract]              
Expense associated with VFA         $ 326,000us-gaap_InventoryRecallExpense    
Accrued VFA expenses         55,000us-gaap_ProductWarrantyAccrualClassifiedCurrent    
Percentage of compensation payable in cash         50.00%nspr_PercentageOfCompensationPayableInCash    
Percentage of compensation payable in stock         50.00%nspr_PercentageOfCompensationPayableInStock    
Funding threshold at which cost savings plan is discontinued         5,000,000nspr_FundingThresholdAtWhichCostSavingsPlanIsDiscontinued    
Option term         10 years    
Class of Stock [Line Items]              
Number of shares sold 34,369,675us-gaap_StockIssuedDuringPeriodSharesNewIssues 6,261,846us-gaap_StockIssuedDuringPeriodSharesNewIssues 12,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues        
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   
November Investor Warrants [Member]              
Class of Stock [Line Items]              
Number of shares called by warrants   3,130,923us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_NovemberInvestorWarrantsMember
         
Warrant term   42 months          
Warrant exercise price   $ 1.75us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_NovemberInvestorWarrantsMember
         
March Investor Warrants [Member]              
Class of Stock [Line Items]              
Number of shares called by warrants 34,369,675us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_MarchInvestorWarrantsMember
           
Warrant term 5 years            
Warrant exercise price $ 0.55us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= nspr_MarchInvestorWarrantsMember