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Note 3 - Recent Accounting Pronouncements (Details Textual)	3 Months Ended
	Apr. 03, 2016 USD ($)
Reclassification from Assets to Reduce Long-term Debt [Member] | December 31, 2015 [Member]
Prior Period Reclassification Adjustment	$ 1,220,000

X

- Definition

The amount of a reclassification adjustment made to prior period financial statement amounts.

+ References

No definition available.

+ Details

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_NewAccountingPronouncementEarlyAdoptionAxis=sypr_ReclassificationFromAssetsToReduceLongTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreationDateAxis=sypr_December312015Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: