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Note 14 - Accumulated Other Comprehensive Loss (Details) - Accumulated Other Comprehensive Loss (Parentheticals) (Series A Preferred Stock [Member], USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2013 | Dec. 31, 2012
Series A Preferred Stock [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Employee benefit-related adjustments tax portion - U.S. | $ 2,512 | $ 2,512

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- Definition Accumulated other comprehensive income loss defined benefit pension and other postretirement plans tax portion. + References No definition available. + Details
Name: | sypr_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTaxPortion
Namespace Prefix: | sypr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration