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Note 2 - Basis of Presentation (Details Textual) - USD ($)	3 Months Ended	6 Months Ended
	Jul. 05, 2020	Jul. 05, 2020	Jun. 30, 2019
Proceeds from Notes Payable, Total		$ 3,558,000	$ 0
Paycheck Protection Program CARES Act [Member]
Proceeds from Notes Payable, Total	$ 3,558,000

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- Definition

The cash inflow from a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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