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Note 12 - Other Liabilities (Details Textual) | Dec. 31, 2020
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Accrued Long-term Warranty Expenses and Other Items, Percentage | 5.00%

X
- Definition Represents percentage of accrued Long term Warranty Expenses and Other Items. + References No definition available. + Details
Name: | sypr_AccruedLongtermWarrantyExpensesAndOtherItemsPercentage
Namespace Prefix: | sypr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant