Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Segmented Information (Details) - Segment Reporting Information, by Segment

v2.4.1.9
Note 9 - Segmented Information (Details) - Segment Reporting Information, by Segment (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 29, 2015
Mar. 30, 2014
Revenues    
Revenues $ 48,714us-gaap_Revenues $ 58,023us-gaap_Revenues
Site Contribution    
Site Contribution 3,628us-gaap_GrossProfit 4,711us-gaap_GrossProfit
Corporate allocations 2,914smtx_CorporateAllocatedCosts 3,670smtx_CorporateAllocatedCosts
Unrealized foreign exchange loss (gain) on derivative forward exchange contracts 318us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax (243)us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax
Interest 310us-gaap_InterestExpense 394us-gaap_InterestExpense
Restructuring charges   670us-gaap_RestructuringCharges
Loss before income taxes (347)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest (596)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Additions and Disposals to PP&E 490us-gaap_PropertyPlantAndEquipmentAdditions 252us-gaap_PropertyPlantAndEquipmentAdditions
Reportable Geographical Components [Member] | MEXICO    
Revenues    
Revenues 35,607us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_MX
38,757us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_MX
Site Contribution    
Site Contribution 2,896us-gaap_GrossProfit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_MX
1,473us-gaap_GrossProfit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_MX
Additions and Disposals to PP&E 83us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_MX
177us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_MX
Reportable Geographical Components [Member] | Asia [Member]    
Revenues    
Revenues 9,342us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
15,530us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
Site Contribution    
Site Contribution 305us-gaap_GrossProfit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
1,456us-gaap_GrossProfit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
Additions and Disposals to PP&E 375us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
 
Reportable Geographical Components [Member] | UNITED STATES    
Revenues    
Revenues 6,578us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_US
12,692us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_US
Site Contribution    
Site Contribution (6)us-gaap_GrossProfit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_US
966us-gaap_GrossProfit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_US
Additions and Disposals to PP&E 6us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_US
55us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
/ us-gaap_StatementGeographicalAxis
= country_US
Reportable Geographical Components [Member]    
Revenues    
Revenues 51,527us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
66,979us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
Site Contribution    
Site Contribution 3,195us-gaap_GrossProfit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
3,895us-gaap_GrossProfit
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
Additions and Disposals to PP&E 464us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
232us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ReportableGeographicalComponentsMember
Geography Eliminations [Member] | MEXICO    
Revenues    
Revenues (105)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_GeographyEliminationsMember
/ us-gaap_StatementGeographicalAxis
= country_MX
(365)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_GeographyEliminationsMember
/ us-gaap_StatementGeographicalAxis
= country_MX
Geography Eliminations [Member] | Asia [Member]    
Revenues    
Revenues (2,664)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_GeographyEliminationsMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
(3,266)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_GeographyEliminationsMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
Geography Eliminations [Member] | UNITED STATES    
Revenues    
Revenues (44)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_GeographyEliminationsMember
/ us-gaap_StatementGeographicalAxis
= country_US
(5,325)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_GeographyEliminationsMember
/ us-gaap_StatementGeographicalAxis
= country_US
Geography Eliminations [Member]    
Revenues    
Revenues (2,813)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_GeographyEliminationsMember
(8,956)us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_GeographyEliminationsMember
Corporate, Non-Segment [Member]    
Site Contribution    
Additions and Disposals to PP&E 26us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
20us-gaap_PropertyPlantAndEquipmentAdditions
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
Product Shipment Destination [Member] | MEXICO    
Revenues    
Revenues   4us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= smtx_ProductShipmentDestinationMember
/ us-gaap_StatementGeographicalAxis
= country_MX
Product Shipment Destination [Member] | Asia [Member]    
Revenues    
Revenues 555us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= smtx_ProductShipmentDestinationMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
1,077us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= smtx_ProductShipmentDestinationMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
Product Shipment Destination [Member] | UNITED STATES    
Revenues    
Revenues 35,712us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= smtx_ProductShipmentDestinationMember
/ us-gaap_StatementGeographicalAxis
= country_US
52,283us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= smtx_ProductShipmentDestinationMember
/ us-gaap_StatementGeographicalAxis
= country_US
Product Shipment Destination [Member] | CANADA    
Revenues    
Revenues 12,447us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= smtx_ProductShipmentDestinationMember
/ us-gaap_StatementGeographicalAxis
= country_CA
4,375us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= smtx_ProductShipmentDestinationMember
/ us-gaap_StatementGeographicalAxis
= country_CA
Product Shipment Destination [Member] | Europe [Member]    
Revenues    
Revenues   284us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= smtx_ProductShipmentDestinationMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember
MEXICO    
Revenues    
Revenues 35,502us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= country_MX
38,392us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= country_MX
Asia [Member]    
Revenues    
Revenues 6,678us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
12,264us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember
UNITED STATES    
Revenues    
Revenues $ 6,534us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= country_US
$ 7,367us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= country_US