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Note 2 - Loss of a Key Customer and Management's Recovery Plans (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Note 2 - Loss of a Key Customer and Management's Recovery Plans (Details) [Line Items]    
Concentration Risk, Percentage 3.00%us-gaap_ConcentrationRiskPercentage1  
Dana [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]    
Note 2 - Loss of a Key Customer and Management's Recovery Plans (Details) [Line Items]    
Concentration Risk, Percentage   59.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= sypr_DanaMember
Dana [Member]    
Note 2 - Loss of a Key Customer and Management's Recovery Plans (Details) [Line Items]    
Accounts Receivable, Net   27,363,000us-gaap_AccountsReceivableNet
/ us-gaap_MajorCustomersAxis
= sypr_DanaMember
Accounts Payable   18,912,000us-gaap_AccountsPayableCurrentAndNoncurrent
/ us-gaap_MajorCustomersAxis
= sypr_DanaMember