XML 13 R48.htm IDEA: XBRL DOCUMENT v2.4.1.9
Stock-Based Compensation (Narrative) (Details) (USD $)
0 Months Ended 3 Months Ended 0 Months Ended
Mar. 02, 2015
Mar. 31, 2015
Mar. 31, 2014
Mar. 13, 2015
Mar. 11, 2015
Jul. 16, 2013
Jun. 05, 2014
May 31, 2014
Mar. 12, 2015
Trading period used to determine award price   20 days              
Shares issued to independent directors   2,988us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued 747us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued            
Share-based compensation expense recognized related to employees and directors   $ 49,000us-gaap_AllocatedShareBasedCompensationExpense $ 8,000us-gaap_AllocatedShareBasedCompensationExpense            
Common stock purchase price using warrants             8.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights 9.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights  
Price Per Share Milestones 4.50sppr_PricePerShareMilestones                
Warrants - Employees [Member}                  
Unrecognized compensation cost   288,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_ShareholdersEquityClassAxis
= sppr_WarrantsEmployeesMember
             
Performance Shares [Member]                  
Unrecognized compensation cost   498,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_ShareholdersEquityClassAxis
= us-gaap_PerformanceSharesMember
             
Minimum [Member]                  
Price Per Share Milestones 3.50sppr_PricePerShareMilestones
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
               
Maximum [Member]                  
Price Per Share Milestones $ 5.50sppr_PricePerShareMilestones
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
               
Chief Executive Officer [Member]                  
Shares granted to executive officers 657,894us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
               
shares purchased with warrants       430,000us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
227,894us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
       
Common stock purchase price using warrants         1.52us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
      1.92us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
LTIP 5,263,152us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
               
Chief Operating Officer [Member]                  
Shares granted to executive officers           3,125us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefOperatingOfficerMember
     
Share price on date of grant           $ 7.28us-gaap_DeferredCompensationArrangementWithIndividualExercisePrice
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefOperatingOfficerMember
     
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights           33.3%      
Unvested awards   2,084us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefOperatingOfficerMember
3,125us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefOperatingOfficerMember
           
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price   $ 8.08us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefOperatingOfficerMember