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Warrants (Details) (Comcast [Member], USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2013
Sep. 30, 2013
Dec. 31, 2013
Revenue, Major Customer [Line Items]        
Warrants issuable, maximum (in shares) 975,000sprt_WarrantsIssuableMaximum      
Warrants, exercise price (in dollars per share) $ 4.9498us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1      
Investment warrants expiration period from issuance date       3 years
Common stock issued (in shares)       490,000us-gaap_StockIssuedDuringPeriodSharesOther
Warrants issued (in shares)   324,000sprt_WarrantsSharesIssued 166,000sprt_WarrantsSharesIssued  
Warrant-related charges       $ 777,000sprt_WarrantIssuanceCosts
First Tranche [Member]
       
Fair value assumptions for warrants issued [Abstract]        
Risk free interest rate (in hundredths)       0.74%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_FinancialInstrumentAxis
= sprt_FirstTrancheMember
/ us-gaap_MajorCustomersAxis
= us-gaap_CustomerConcentrationRiskMember
Expected term       3 years
Volatility (in hundredths)       59.12%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_FinancialInstrumentAxis
= sprt_FirstTrancheMember
/ us-gaap_MajorCustomersAxis
= us-gaap_CustomerConcentrationRiskMember
Expected dividend (in hundredths)       0.00%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_FinancialInstrumentAxis
= sprt_FirstTrancheMember
/ us-gaap_MajorCustomersAxis
= us-gaap_CustomerConcentrationRiskMember
Second Tranche [Member]
       
Fair value assumptions for warrants issued [Abstract]        
Risk free interest rate (in hundredths)       0.74%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_FinancialInstrumentAxis
= sprt_SecondTrancheMember
/ us-gaap_MajorCustomersAxis
= us-gaap_CustomerConcentrationRiskMember
Expected term       3 years
Volatility (in hundredths)       59.12%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_FinancialInstrumentAxis
= sprt_SecondTrancheMember
/ us-gaap_MajorCustomersAxis
= us-gaap_CustomerConcentrationRiskMember
Expected dividend (in hundredths)       0.00%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_FinancialInstrumentAxis
= sprt_SecondTrancheMember
/ us-gaap_MajorCustomersAxis
= us-gaap_CustomerConcentrationRiskMember