Annual report pursuant to Section 13 and 15(d)

Note 6 - Stock Based Compensation (Details)

v2.4.1.9
Note 6 - Stock Based Compensation (Details) (USD $)
12 Months Ended 1 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Jul. 31, 2010
Jul. 31, 2000
Jun. 30, 2012
Jun. 30, 2011
Jan. 01, 2012
Note 6 - Stock Based Compensation (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period   73,064us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised 138,419us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 817,212us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 435,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 1,400,807us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber         1,202,826us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Allocated Share-based Compensation Expense (in Dollars) $ 133us-gaap_AllocatedShareBasedCompensationExpense $ 248us-gaap_AllocatedShareBasedCompensationExpense $ 379us-gaap_AllocatedShareBasedCompensationExpense          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares 95,002us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares 158,334us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares 253,332us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options (in Dollars) 463us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions              
Restricted Stock Units (RSUs) [Member] | Minimum [Member]                
Note 6 - Stock Based Compensation (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1 year              
Restricted Stock Units (RSUs) [Member] | Maximum [Member]                
Note 6 - Stock Based Compensation (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years              
Restricted Stock Units (RSUs) [Member] | 2010 Incentive Plan [Member]                
Note 6 - Stock Based Compensation (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 520,433us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
             
Restricted Stock Units (RSUs) [Member]                
Note 6 - Stock Based Compensation (Details) [Line Items]                
Allocated Share-based Compensation Expense (in Dollars) $ 131us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
             
Minimum [Member] | 2010 Incentive Plan [Member]                
Note 6 - Stock Based Compensation (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       1 year        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period       5 years        
Maximum [Member] | 2010 Incentive Plan [Member]                
Note 6 - Stock Based Compensation (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       3 years        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period       10 years        
2000 Incentive Plan [Member]                
Note 6 - Stock Based Compensation (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         1,727,052us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2000Member
     
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum         1.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2000Member
     
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period   73,064us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2000Member
138,419us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2000Member
         
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number     128,807us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2000Member
        280,826us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2000Member
2010 Incentive Plan [Member]                
Note 6 - Stock Based Compensation (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 1,999,791us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
    350,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
       
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum 1.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
1.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
  1.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
       
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 164,173us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
163,619us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
      652,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
670,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
             
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 817,212us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
435,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
1,272,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
        922,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 662,784us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= smtx_IncentivePlan2010Member