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Organization and Summary of Significant Accounting Policies, Earnings (Loss) per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Feb. 10, 2015
Earnings (loss) per share [Abstract]                        
Net income (loss) $ (2,245)us-gaap_NetIncomeLoss $ (101)us-gaap_NetIncomeLoss $ (655)us-gaap_NetIncomeLoss $ (482)us-gaap_NetIncomeLoss $ 2,873us-gaap_NetIncomeLoss $ 3,032us-gaap_NetIncomeLoss $ 2,596us-gaap_NetIncomeLoss $ 1,882us-gaap_NetIncomeLoss $ (3,483)us-gaap_NetIncomeLoss $ 10,383us-gaap_NetIncomeLoss $ (5,424)us-gaap_NetIncomeLoss  
Basic [Abstract]                        
Weighted-average shares of common stock outstanding (in shares)                 53,834,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 51,553,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 48,798,000us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted  
Shares used in computing basic net earnings (loss) per share (in shares)                 53,834,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 51,553,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 48,798,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic  
Basic net earnings (loss) per share (in dollars per share) $ (0.04)us-gaap_EarningsPerShareBasic $ 0us-gaap_EarningsPerShareBasic $ (0.01)us-gaap_EarningsPerShareBasic $ (0.01)us-gaap_EarningsPerShareBasic $ 0.05us-gaap_EarningsPerShareBasic $ 0.06us-gaap_EarningsPerShareBasic $ 0.05us-gaap_EarningsPerShareBasic $ 0.04us-gaap_EarningsPerShareBasic $ (0.06)us-gaap_EarningsPerShareBasic $ 0.20us-gaap_EarningsPerShareBasic $ (0.11)us-gaap_EarningsPerShareBasic  
Diluted [Abstract]                        
Weighted-average shares of common stock outstanding (in shares)                 53,834,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 51,553,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 48,798,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic  
Add: Common equivalent shares outstanding (in shares)                 0us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 2,272,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 0us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment  
Shares used in computing diluted net earnings (loss) per share (in shares)                 53,834,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 53,825,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 48,798,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding  
Diluted net earnings (loss) per share (in dollars per share) $ (0.04)us-gaap_EarningsPerShareDiluted $ 0us-gaap_EarningsPerShareDiluted $ (0.01)us-gaap_EarningsPerShareDiluted $ (0.01)us-gaap_EarningsPerShareDiluted $ 0.05us-gaap_EarningsPerShareDiluted $ 0.06us-gaap_EarningsPerShareDiluted $ 0.05us-gaap_EarningsPerShareDiluted $ 0.04us-gaap_EarningsPerShareDiluted $ (0.06)us-gaap_EarningsPerShareDiluted $ 0.19us-gaap_EarningsPerShareDiluted $ (0.11)us-gaap_EarningsPerShareDiluted  
Stock Option [Member]                        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                        
Weighted average shares excluded from computation of diluted earnings (loss) per share (in shares)                 4,000,000sprt_WeightedAverageSharesExcludedFromComputationOfDilutedEarningsLossPerShare
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember		 1,500,000sprt_WeightedAverageSharesExcludedFromComputationOfDilutedEarningsLossPerShare
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember		 2,900,000sprt_WeightedAverageSharesExcludedFromComputationOfDilutedEarningsLossPerShare
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember		  
Options and Restricted Stock Units [Member]                        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                        
Shares excluded from the computation of diluted earnings (loss) per share (in shares)                 150,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= sprt_OptionsAndRestrictedStockUnitsMember		   1,500,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= sprt_OptionsAndRestrictedStockUnitsMember		  
Subsequent Event [Member] | Stock Option [Member] | Key Executives [Member]                        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                        
Shares issued                       425,000us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ExecutiveOfficerMember