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

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase (decrease) of the credit facility.

+ References

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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.

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- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

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Borrowings (Details Textual) - USD ($)	1 Months Ended
Borrowings (Details Textual) - USD ($)	Jan. 21, 2016	Dec. 29, 2018	Dec. 30, 2017
Debt Instrument [Line Items]
Short-term Debt, Weighted Average Interest Rate, at Point in Time			3.19%
Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 5,000,000
Debt Instrument, Interest Rate, Stated Percentage			3.188%
Term Loan [Member] \| Restated Credit Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Jan. 21, 2021
Senior Revolving Credit Facility [Member] \| Restated Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Increase (Decrease), Net	$ 7,500,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 35,000,000
Debt Instrument, Maturity Date	Jan. 21, 2019
Debt Instrument, Interest Rate, Stated Percentage			3.227%