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Note 15 - Commitments and Contingencies (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract] |  |
Operating Leases Maximum Expiration Period |  | 10 years
Operating Leases, Rent Expense | $ 2,849,000 us-gaap_LeaseAndRentalExpense | $ 2,601,000 us-gaap_LeaseAndRentalExpense
Purchase Obligation | $ 7,369,000 us-gaap_PurchaseObligation |

X
- Definition Operating leases maximum expiration period. + References No definition available. + Details
Name: | sypr_OperatingLeasesMaximumExpirationPeriod
Namespace Prefix: | sypr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant