Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v2.4.1.9
Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Future minimum rental commitments under non-cancellable operating lease      
2014 $ 325us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2015 115us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2016 54us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
Total 494us-gaap_OperatingLeasesFutureMinimumPaymentsDue    
Rent expense 262us-gaap_OperatingLeasesRentExpenseNet 253us-gaap_OperatingLeasesRentExpenseNet 229us-gaap_OperatingLeasesRentExpenseNet
Other      
Standby repurchase obligations or other commercial commitments 0wstg_StandbyRepurchaseObligationsAndOtherCommercialCommitments    
Standby letters of credit $ 0us-gaap_LettersOfCreditOutstandingAmount    
CEO      
Employment Agreements      
Period during which salary to be received as severance payment 12 months    
Multiplier of annual salary and actual incentive bonus earned for determining lump-sum payment under change of control 2.9wstg_EmployeeAgreementSeveranceCompensationLumpsumPaymentTimesOfAnnualSalaryAndActualIncentiveBonusEarned
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
   
Vice President and Chief Information Officer      
Employment Agreements      
Period during which salary to be received as severance payment 6 months    
Vice President and Chief Accounting Officer      
Employment Agreements      
Period during which salary to be received as severance payment 6 months