Note 2 - Revenue Recognition (Details Textual)	3 Months Ended
	Mar. 31, 2019
Carpet, Modular Resilient Flooring, and Related Products [Member]
Percent of Revenue Due to Contracts With Customers	98.00%
Installation of Carpet and Other Flooring Related Material [Member]
Percent of Revenue Due to Contracts With Customers	2.00%