Note 5 - Long-term Debt (Details Textual) - Credit Agreement, May 17, 2019 [Member] - USD ($) $ in Millions		6 Months Ended
May 17, 2019	Jul. 02, 2022
Revolving Credit Facility [Member]
Debt Instrument, Term (Year)	5 years
Line of Credit Facility, Maximum Borrowing Capacity	$ 75.0
Debt Instrument, Interest Rate, Effective Percentage		2.92%
Line of Credit Facility, Commitment Fee Percentage		0.20%
Secured Term Loan [Member]
Debt Instrument, Face Amount	$ 175.0
Secured Term Loan [Member] \| Revolving Credit Facility [Member]
Debt Instrument, Periodic Payment, Total		$ 8.8
Debt Instrument, Interest Rate, Effective Percentage		3.13%

Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

Amount of the required periodic payments including both interest and principal payments.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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