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Note 11 - Accrued Liabilities (Details Textual)	Dec. 31, 2020
Accrued Operating Expenses, Accrued Warranty Expenses, Accrued Interest, and Other Items	5.00%

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- Definition

Represents percentage of accrued operating expenses, accrued warranty expenses, accrued interest And other items.

+ References

No definition available.

+ Details

Name:	sypr_AccruedOperatingExpensesAccruedWarrantyExpensesAccruedInterestAndOtherItems
Namespace Prefix:	sypr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant