Annual report pursuant to Section 13 and 15(d)

Note 4 - Debt and Capital Leases (Details)

v2.4.1.9
Note 4 - Debt and Capital Leases (Details)
12 Months Ended
Dec. 28, 2014
United States of America, Dollars
PNC Facility [Member]
Base Rate [Member]
Dec. 28, 2014
Canada, Dollars
PNC Facility [Member]
Base Rate [Member]
Dec. 28, 2014
Revolving Credit Facility [Member]
PNC Bank [Member]
USD ($)
Dec. 28, 2014
Revolving Credit Facility [Member]
PNC Bank [Member]
CAD
Dec. 29, 2013
Revolving Credit Facility [Member]
PNC Bank [Member]
USD ($)
Dec. 29, 2013
Revolving Credit Facility [Member]
PNC Bank [Member]
CAD
Note 4 - Debt and Capital Leases (Details) [Line Items]            
Debt Instrument, Basis Spread on Variable Rate 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= smtx_PNCFacilityMember
/ us-gaap_CurrencyAxis
= currency_USD
/ us-gaap_VariableRateAxis
= us-gaap_BaseRateMember
0.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= smtx_PNCFacilityMember
/ us-gaap_CurrencyAxis
= currency_CAD
/ us-gaap_VariableRateAxis
= us-gaap_BaseRateMember
       
Long-term Line of Credit     $ 21,370,000us-gaap_LineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= smtx_PNCBankMember
0us-gaap_LineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= smtx_PNCBankMember
$ 20,222,000us-gaap_LineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= smtx_PNCBankMember
618,000us-gaap_LineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= smtx_PNCBankMember
Line of Credit Facility, Maximum Borrowing Capacity     $ 40,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= smtx_PNCBankMember