Note 10 - Quarterly Results of Operations (Unaudited) (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Proceeds from Continued Dumping and Subsidy Offset Act	$ 400	$ 1,100	$ 433	$ 1,103

Proceeds from Continued Dumping and Subsidy Offset Act which are funds provided from the U.S. Treasury as a result of favorable legal action against Chinese suppliers that dumped furniture in the U.S.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration