Annual report pursuant to Section 13 and 15(d)

Note 8 - Financial Instruments and Risks (Details) - Outstanding Foreign Currency Forward Contracts

v2.4.1.9
Note 8 - Financial Instruments and Risks (Details) - Outstanding Foreign Currency Forward Contracts (Foreign Exchange Forward [Member], USD $)
12 Months Ended
Dec. 28, 2014
Canada, Dollars  
Derivative [Line Items]  
Derivative Activity Buy
Foreign Currency Amount $ 6,400us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_CurrencyAxis
= currency_CAD
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember
Notional Contract Value 5,778,000us-gaap_DerivativeAssetNotionalAmount
/ us-gaap_CurrencyAxis
= currency_CAD
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember
Mexico, Pesos  
Derivative [Line Items]  
Derivative Activity Buy
Foreign Currency Amount 323,427us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_CurrencyAxis
= currency_MXN
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember
Notional Contract Value $ 24,156,000us-gaap_DerivativeAssetNotionalAmount
/ us-gaap_CurrencyAxis
= currency_MXN
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeForwardMember