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Note 18 - Subsequent Events (Details) (USD $) | 0 Months Ended
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Aug. 07, 2007 | Apr. 29, 2015 | Dec. 30, 2013
Note 18 - Subsequent Events (Details) [Line Items] |  |  |
Litigation Settlement, Amount | $ 89,900,000 us-gaap_LitigationSettlementAmount |  |
Subsequent Event [Member] |  |  |
Note 18 - Subsequent Events (Details) [Line Items] |  |  |
Litigation Settlement, Amount |  | 505,000 us-gaap_LitigationSettlementAmount / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
Alleged Breach of Supply Agreement [Member] | Notice of Supplemental Claims Filed by the Company Against Dana Holding Corporation [Member] |  |  |
Note 18 - Subsequent Events (Details) [Line Items] |  |  |
Loss Contingency, Damages Sought, Value |  |  | 9,000,000 us-gaap_LossContingencyDamagesSoughtValue / us-gaap_LitigationCaseAxis = sypr_NoticeOfSupplementalClaimsFiledByTheCompanyAgainstDanaHoldingCorporationMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = sypr_AllegedBreachOfSupplyAgreementMember
Unpaid Price Rebates [Member] | Counterclaim for Certain Unpaid Price Rebates Filed by Dana Holding Corporation Against the Company [Member] |  |  |
Note 18 - Subsequent Events (Details) [Line Items] |  |  |
Loss Contingency, Damages Sought, Value |  |  | $ 3,000,000 us-gaap_LossContingencyDamagesSoughtValue / us-gaap_LitigationCaseAxis = sypr_CounterclaimForCertainUnpaidPriceRebatesFiledByDanaHoldingCorporationAgainstTheCompanyMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = sypr_UnpaidPriceRebatesMember

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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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