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Net Deferred Tax Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets:    
Net operating losses $ 42,579us-gaap_DeferredTaxAssetsOperatingLossCarryforwards $ 28,973us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Capital losses 361us-gaap_DeferredTaxAssetsCapitalLossCarryforwards 4,153us-gaap_DeferredTaxAssetsCapitalLossCarryforwards
Other asset reserves   1us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
Deferred compensation 18us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation 23us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
Total deferred tax assets 42,958us-gaap_DeferredTaxAssetsGross 33,150us-gaap_DeferredTaxAssetsGross
Valuation allowance (38,166)us-gaap_DeferredTaxAssetsValuationAllowance (31,931)us-gaap_DeferredTaxAssetsValuationAllowance
Deferred tax assets, net 4,792us-gaap_DeferredTaxAssetsNet 1,219us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:    
State deferreds (4,814)swwi_DeferredTaxLiabilitiesStateDeferred (1,219)swwi_DeferredTaxLiabilitiesStateDeferred
Other investment 22us-gaap_DeferredTaxLiabilitiesInvestments  
Total deferred tax liabilities (4,792)us-gaap_DeferredTaxLiabilities (1,219)us-gaap_DeferredTaxLiabilities
Net deferred taxes $ 0us-gaap_DeferredTaxAssetsLiabilitiesNet $ 0us-gaap_DeferredTaxAssetsLiabilitiesNet