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Industry, Segment and Geographic Information (Details 3)
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12 Months Ended |
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Dec. 31, 2014
customer
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Dec. 31, 2013
customer
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Dec. 31, 2012
customer
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| Top five customers |
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| Significant Customers |
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| Number of customers |
5wstg_ConcentrationRiskNumberOfCustomers
/ us-gaap_MajorCustomersAxis
= wstg_TopFiveCustomersMember
|
5wstg_ConcentrationRiskNumberOfCustomers
/ us-gaap_MajorCustomersAxis
= wstg_TopFiveCustomersMember
|
5wstg_ConcentrationRiskNumberOfCustomers
/ us-gaap_MajorCustomersAxis
= wstg_TopFiveCustomersMember
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| Net sales | Customer concentration risk |
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|
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| Significant Customers |
|
|
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| Number of customers |
3wstg_ConcentrationRiskNumberOfCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
|
|
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| Percentage of concentration risk |
10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
|
|
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| Net sales | SHI | Customer concentration risk |
|
|
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| Significant Customers |
|
|
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| Percentage of concentration risk |
17.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_SoftwareHouseInternationalMember
|
14.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_SoftwareHouseInternationalMember
|
13.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_SoftwareHouseInternationalMember
|
| Net sales | CDW | Customer concentration risk |
|
|
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| Significant Customers |
|
|
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| Percentage of concentration risk |
16.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_CDWCorporationMember
|
13.80%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_CDWCorporationMember
|
12.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_CDWCorporationMember
|
| Net sales | Insight Enterprises, Inc. ("Insight") | Customer concentration risk |
|
|
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| Significant Customers |
|
|
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| Percentage of concentration risk |
11.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_InsightMember
|
12.20%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_InsightMember
|
11.10%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_InsightMember
|
| Net sales | Top five customers |
|
|
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| Significant Customers |
|
|
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| Percentage of concentration risk |
52.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_MajorCustomersAxis
= wstg_TopFiveCustomersMember
|
48.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_MajorCustomersAxis
= wstg_TopFiveCustomersMember
|
44.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_MajorCustomersAxis
= wstg_TopFiveCustomersMember
|
| Net accounts receivable | SHI | Customer concentration risk |
|
|
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| Significant Customers |
|
|
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| Percentage of concentration risk |
15.30%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_SoftwareHouseInternationalMember
|
|
|
| Net accounts receivable | CDW | Customer concentration risk |
|
|
|
| Significant Customers |
|
|
|
| Percentage of concentration risk |
17.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_CDWCorporationMember
|
|
|
| Net accounts receivable | Insight Enterprises, Inc. ("Insight") | Customer concentration risk |
|
|
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| Significant Customers |
|
|
|
| Percentage of concentration risk |
7.90%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= wstg_InsightMember
|
|
|
| Purchases | Vendor concentration risk |
|
|
|
| Significant Customers |
|
|
|
| Percentage of concentration risk |
10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
|
10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
|
10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
|
| Purchases | Vendor concentration risk | Dell/Quest Software |
|
|
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| Significant Customers |
|
|
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| Percentage of concentration risk |
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10.20%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis
= wstg_DellQuestSoftwareMember
|
13.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis
= wstg_DellQuestSoftwareMember
|
| Purchases | Vendor concentration risk | Sophos |
|
|
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| Significant Customers |
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|
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| Percentage of concentration risk |
14.70%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfSalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SupplierConcentrationRiskMember
/ us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis
= wstg_SophosSoftwareMember
|
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