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Note 10 - Accrued Liabilities (Details) (USD $) | Dec. 31, 2014
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Dana Settlement [Member] |
Note 10 - Accrued Liabilities (Details) [Line Items] |
Deferred Revenue Accrued Liabilities | $ 8,657,000 sypr_DeferredRevenueAccruedLiabilities / us-gaap_MajorCustomersAxis = sypr_DanaSettlementMember
Maximum [Member] |
Note 10 - Accrued Liabilities (Details) [Line Items] |
Accrued Operating Expenses Accrued Warranty Expenses Accrued Interest And Other Items | 5.00%sypr_AccruedOperatingExpensesAccruedWarrantyExpensesAccruedInterestAndOtherItems / us-gaap_RangeAxis = us-gaap_MaximumMember

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- Definition No authoritative reference available. + References No definition available. + Details
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Namespace Prefix: | sypr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | sypr_DeferredRevenueAccruedLiabilities
Namespace Prefix: | sypr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | sypr_Note10AccruedLiabilitiesDetailsLineItems
Namespace Prefix: | sypr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_MajorCustomersAxis=sypr_DanaSettlementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |