Note 13 - Segment Information (Details) - Selected Operating Results - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Revenue	$ 35,219	$ 36,715	$ 110,501	$ 105,877
Income (loss) from operations	2,131	2,795	7,717	7,001
Home [Member]
Segment Reporting Information [Line Items]
Revenue	28,882	32,292	95,288	95,492
Income (loss) from operations	5,480	5,957	19,768	16,851
Office [Member]
Segment Reporting Information [Line Items]
Revenue	6,254	4,353	15,130	10,315
Income (loss) from operations	(1,646)	(252)	(3,361)	(985)
Mobile [Member]
Segment Reporting Information [Line Items]
Revenue	83	70	83	70
Income (loss) from operations	$ (1,703)	$ (2,910)	$ (8,690)	$ (8,865)