Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v2.4.1.9
Summary of Significant Accounting Policies (Details Narrative) (USD $)
1 Months Ended 12 Months Ended
May 31, 2014
Dec. 31, 2014
Investor
Dec. 31, 2013
Oct. 26, 2013
Percentage of ownership in subsidiary less than equity interest       99.90%us-gaap_EquityMethodInvestmentOwnershipPercentage
Percentage of outstanding invoice amount   95.00%WSTI_PercentageOfOutstandingInvoiceAmount    
Number of debt issuances   5WSTI_NumberOfDebtIssuances    
Finders fees   $ 42,000WSTI_FindersFees    
Issuance of common stock shares to purchase of warrant   140,000WSTI_IssuanceOfCommonStockSharesToPurchaseOfWarrant    
Warrants term   3 years    
Fair value of warrants   48,000us-gaap_FairValueAdjustmentOfWarrants    
Warrants exercise price per share   $ 0.05us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1    
Capitalized financing cost   90,000us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization    
Deferred financing costs   0us-gaap_DeferredFinanceCostsCurrentNet 37,529us-gaap_DeferredFinanceCostsCurrentNet  
Amortization of deferred financing costs   37,529us-gaap_AmortizationOfFinancingCosts 52,608us-gaap_AmortizationOfFinancingCosts  
Export Import Bank Credit Insurance limit   4,000,000WSTI_ExportImportBankCreditInsuranceLimit 4,000,000WSTI_ExportImportBankCreditInsuranceLimit  
Write-downs to inventories   111,000us-gaap_InventoryWriteDown     
Sales returns and allowances   16,000us-gaap_SalesReturnsAndAllowancesGoods 0us-gaap_SalesReturnsAndAllowancesGoods  
Accrued warranty expense liability   253,000us-gaap_ProductWarrantyAccrualClassifiedCurrent 63,000us-gaap_ProductWarrantyAccrualClassifiedCurrent  
Warranty expense   345,777us-gaap_ProductWarrantyExpense 63,000us-gaap_ProductWarrantyExpense  
Percentage of maximum amount of income tax benefit positions   50.00%WSTI_PercentageOfMaximumAmountOfIncomeTaxBenefitPositions    
Unrecognized tax benefits          
Research and development expenses   146,178us-gaap_ResearchAndDevelopmentExpense 402,273us-gaap_ResearchAndDevelopmentExpense  
FDIC limit   250,000us-gaap_CashFDICInsuredAmount    
Stock issued during period for consulting services, shares 4,360,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices      
Issued stock, price per share $ 0.345us-gaap_EquityIssuancePerShareAmount      
Common stock, par value $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare  
Stock based compensation expense $ 1,500,000us-gaap_ShareBasedCompensation $ 5,224,258us-gaap_ShareBasedCompensation $ 1,957,606us-gaap_ShareBasedCompensation  
Accounts Receivable [Member]        
Concentration Risk Percentage   90.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
94.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
 
Number of customer   2 4  
Revenue [Member]        
Concentration Risk Percentage   80.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
69.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
 
Number of customer   1 3  
Cost of Goods, Total [Member]        
Concentration Risk Percentage   51.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
43.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
 
Number of vendor   3 2  
Maximum [Member]        
Percentage of ownership in subsidiary less than equity interest   100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Estimated useful lives   7 years    
Issued stock, price per share   $ 0.50us-gaap_EquityIssuancePerShareAmount
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Minimum [Member]        
Estimated useful lives   2 years    
Issued stock, price per share   $ 0.35us-gaap_EquityIssuancePerShareAmount
/ us-gaap_RangeAxis
= us-gaap_MinimumMember