Note 3 - Revenue Recognition (Details Textual)	12 Months Ended
	Dec. 30, 2018
Percent of Revenue Due to Contracts With Customers	100.00%
Carpet, Modular Resilient Flooring, and Related Products [Member]
Percent of Revenue Due to Contracts With Customers	97.00%
Installation of Carpet and Other Flooring Related Material [Member]
Percent of Revenue Due to Sales To Customers	3.00%