|
Acquisitions Acquisitions (Details Textual) (USD $)
|
12 Months Ended |
3 Months Ended |
|
|
|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Mar. 02, 2014
|
Apr. 02, 2013
|
May 15, 2012
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Revenue |
$ 84,127,000us-gaap_SalesRevenueNet
|
$ 102,073,000us-gaap_SalesRevenueNet
|
|
$ 38,808,000us-gaap_SalesRevenueNet
|
|
|
|
|
|
|
| Operating Income (Loss) |
58,345,000us-gaap_OperatingIncomeLoss
|
3,433,000us-gaap_OperatingIncomeLoss
|
[1] |
13,325,000us-gaap_OperatingIncomeLoss
|
|
|
|
|
|
|
| Goodwill |
0us-gaap_Goodwill
|
31,102,000us-gaap_Goodwill
|
[1] |
0us-gaap_Goodwill
|
31,102,000us-gaap_Goodwill
|
[1] |
0us-gaap_Goodwill
|
|
|
|
| Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |
3,500,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
|
3,500,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
|
|
|
3,500,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
|
|
|
|
|
|
| Specific pre-acquisition ANTONE product warranty in excess of acquired limit |
|
|
|
303,000wstl_SpecificPreAcquisitionProductWarrantyAccrualAdditions
|
|
|
|
|
|
|
| CSI [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition, Percentage of Voting Interests Acquired |
|
|
|
|
|
|
|
100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
| Payments to Acquire Businesses, Gross |
|
39,000,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
|
|
|
|
|
|
| Working Capital Adjustment |
|
|
|
|
|
|
|
5,000,000wstl_WorkingCapitalAdjustment
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
| Business Combination, Acquisition Related Costs |
39,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
200,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
|
|
|
|
|
|
| Revenue |
29,500,000us-gaap_SalesRevenueNet
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
3,700,000us-gaap_SalesRevenueNet
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
3,700,000us-gaap_SalesRevenueNet
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
|
|
|
| Operating Income (Loss) |
26,900,000us-gaap_OperatingIncomeLoss
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
400,000us-gaap_OperatingIncomeLoss
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
|
|
|
|
|
|
| Goodwill |
|
|
|
|
|
|
|
20,547,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
16,173,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
|
|
|
| CSI [Member] | Product Technology [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
3,860,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
|
|
|
| Finite-Lived Intangible Asset, Useful Life |
3 years
|
|
|
|
|
|
|
|
|
|
| CSI [Member] | Customer Relationships [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
11,410,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_CSIMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
|
|
|
| Finite-Lived Intangible Asset, Useful Life |
9 years
|
|
|
|
|
|
|
|
|
|
| Kentrox [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition, Percentage of Voting Interests Acquired |
|
|
|
|
|
|
|
|
100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
|
|
| Payments to Acquire Businesses, Gross |
|
30,000,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
|
|
|
|
|
|
|
|
|
| Working Capital Adjustment |
|
|
|
|
|
|
|
|
1,300,000wstl_WorkingCapitalAdjustment
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
|
|
| Business Combination, Acquisition Related Costs |
|
|
|
|
|
|
300,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
|
|
|
|
| Revenue |
|
46,200,000us-gaap_SalesRevenueNet
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
|
|
|
|
|
|
|
|
|
| Operating Income (Loss) |
|
(7,300,000)us-gaap_OperatingIncomeLoss
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
|
|
|
|
|
|
|
|
|
| Goodwill |
|
|
|
|
|
|
|
|
10,555,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
|
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
|
15,980,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
|
|
| Kentrox [Member] | Product Technology [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
|
4,410,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
|
|
| Finite-Lived Intangible Asset, Useful Life |
9 years
|
|
|
|
|
|
|
|
|
|
| Kentrox [Member] | Customer Relationships [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
|
8,960,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_KentroxMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
|
|
| Finite-Lived Intangible Asset, Useful Life |
10 years
|
|
|
|
|
|
|
|
|
|
| Antone Wireless Corporation [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Payments to Acquire Businesses, Gross |
|
|
|
2,500,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= wstl_AntoneWirelessCorporationMember
|
|
|
|
|
|
|
| Business Combination, Acquisition Related Costs |
|
|
|
100,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= wstl_AntoneWirelessCorporationMember
|
|
|
|
|
|
|
| Goodwill |
|
|
|
|
|
|
|
|
|
2,086,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_AntoneWirelessCorporationMember
|
| Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |
|
|
|
|
|
|
|
|
|
3,500,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= wstl_AntoneWirelessCorporationMember
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
|
|
3,230,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_AntoneWirelessCorporationMember
|
| Specific pre-acquisition ANTONE product warranty in excess of acquired limit |
|
|
|
300,000wstl_SpecificPreAcquisitionProductWarrantyAccrualAdditions
/ us-gaap_BusinessAcquisitionAxis
= wstl_AntoneWirelessCorporationMember
|
|
|
|
|
|
|
| Antone Wireless Corporation [Member] | Product Technology [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
|
|
2,800,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_AntoneWirelessCorporationMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
|
| Finite-Lived Intangible Asset, Useful Life |
8 years
|
|
|
|
|
|
|
|
|
|
| Antone Wireless Corporation [Member] | Customer Relationships [Member] |
|
|
|
|
|
|
|
|
|
|
| Business Acquisition [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
|
|
|
|
|
|
|
|
|
$ 400,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= wstl_AntoneWirelessCorporationMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
|
|
|
|