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Stock Split (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 12 Months Ended 1 Months Ended
Jul. 31, 2014
Dec. 31, 2014
Jun. 30, 2014
Class of Stock [Line Items]      
Reverse/forward stock split $ 10,100sxcl_StockIssuedDuringPeriodSharesReverseStockSplitsValue $ 10,070sxcl_StockIssuedDuringPeriodSharesReverseStockSplitsValue  
Reverse/forward stock split (in shares) 295,659us-gaap_StockIssuedDuringPeriodSharesReverseStockSplits    
Reverse Stock Split      
Class of Stock [Line Items]      
Stockholder ownership requiring cash payment, maximum     0.002sxcl_StockholdersEquityNoteStockSplitStockholderOwnershipRequiringCashPaymentMaximum
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= sxcl_ReverseStockSplitMember
Conversion ratio     0.002us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= sxcl_ReverseStockSplitMember
Forward Stock Split      
Class of Stock [Line Items]      
Conversion ratio     500us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
/ us-gaap_ConversionOfStockByUniqueDescriptionAxis
= sxcl_ForwardStockSplitMember
Restricted Stock      
Class of Stock [Line Items]      
Reverse/forward stock split (in shares) 1,388us-gaap_StockIssuedDuringPeriodSharesReverseStockSplits
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember