Note 9 - Other Current Assets (Details Textual)	12 Months Ended
Dec. 31, 2017
Percentage of Current Assets Included in Other Current Assets	5.00%

Represents percentage of current assets included in other current assets.

No definition available.

Name:	sypr_PercentageOfCurrentAssetsIncludedInOtherCurrentAssets
Namespace Prefix:	sypr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration