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Description of Business - Additional Information (Detail) (USD $)
0 Months Ended
Jan. 31, 2013
Oct. 10, 2014
Feb. 26, 2015
Feb. 24, 2015
Jul. 29, 2014
Feb. 28, 2014
May 22, 2014
Mar. 07, 2013
Oct. 02, 2014
Jan. 24, 2015
acre
Entity Information [Line Items]                    
Sale of shared facilities and assets, value $ 18,750,000us-gaap_ProceedsFromSaleOfProductiveAssets                  
Common stock, par value               $ 0.001us-gaap_CommonStockParOrStatedValuePerShare    
Tyngsborough Massachusetts                    
Entity Information [Line Items]                    
Estimated potential betterment fee relating to Tyngsborough Land                 3,470,000us-gaap_LossContingencyEstimateOfPossibleLoss
/ us-gaap_StatementGeographicalAxis
= scmr_TyngsboroughMassachusettsMember
 
Sale of facilities and assets, value   2,500,000scmr_SalePriceOfAssetSale
/ us-gaap_StatementGeographicalAxis
= scmr_TyngsboroughMassachusettsMember
               
Maximum amount payable on breaches of such representations and warranties or obligations   75,000us-gaap_OtherCommitment
/ us-gaap_StatementGeographicalAxis
= scmr_TyngsboroughMassachusettsMember
               
Expected date to complete sale   Mar. 27, 2015                
Tyngsborough Massachusetts | Termination of Restated Purchase and Sale Agreement with Tyngsborough Commons, LLC                    
Entity Information [Line Items]                    
Ownership of land                   102us-gaap_AreaOfLand
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_ContractTerminationMember
/ us-gaap_StatementGeographicalAxis
= scmr_TyngsboroughMassachusettsMember
Subsequent Event | Tyngsborough Massachusetts                    
Entity Information [Line Items]                    
Purchase Agreement expected period of extension to complete sale       Mar. 27, 2015            
Additional deposit payment for extension to complete sale       100,000scmr_CommitmentExtensionFee
/ us-gaap_StatementGeographicalAxis
= scmr_TyngsboroughMassachusettsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
           
Nonrefundable deposit to escrow agent     300,000us-gaap_EscrowDepositsRelatedToPropertySales
/ us-gaap_StatementGeographicalAxis
= scmr_TyngsboroughMassachusettsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
100,000us-gaap_EscrowDepositsRelatedToPropertySales
/ us-gaap_StatementGeographicalAxis
= scmr_TyngsboroughMassachusettsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
           
Liquidation Basis of Accounting                    
Entity Information [Line Items]                    
Liquidating cash distribution, per share         $ 0.24scmr_LiquidationDistributionPerShare
/ us-gaap_StatementScenarioAxis
= us-gaap_LiquidationBasisOfAccountingMember
         
Liquidating cash distribution         6,930,000scmr_LiquidationBasisOfAccountingDistribution
/ us-gaap_StatementScenarioAxis
= us-gaap_LiquidationBasisOfAccountingMember
         
IBM Patents                    
Entity Information [Line Items]                    
Patent sale agreement, number of patents           40scmr_NumberOfPatents
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= scmr_IbmPatentMember
       
Patent sale agreement, number of patent applications           2scmr_NumberOfPatentsPending
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= scmr_IbmPatentMember
       
Amount received from sale of patents           2,000,000us-gaap_ProceedsFromSaleOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= scmr_IbmPatentMember
       
IQstream Patents                    
Entity Information [Line Items]                    
Patent sale agreement, number of patents             3scmr_NumberOfPatents
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= scmr_IqstreamPatentsMember
     
Patent sale agreement, number of patent applications             6scmr_NumberOfPatentsPending
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= scmr_IqstreamPatentsMember
     
Amount received from sale of patents             $ 300,000us-gaap_ProceedsFromSaleOfIntangibleAssets
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= scmr_IqstreamPatentsMember