Note 7 - Segment Information (Details) - Segment Reporting Information (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Revenues	$ 209,263	$ 207,653	$ 425,999	$ 419,667
Income from Operations:
Income from operations	10,333	14,939	19,894	30,713
Spa Operations [Member]
Revenues:
Revenues	105,930	121,265	231,764	251,668
Income from Operations:
Income from operations	8,128	9,217	18,275	21,079
Products [Member]
Revenues:
Revenues	53,685	45,207	95,886	87,589
Income from Operations:
Income from operations	3,775	4,074	6,195	7,840
Schools [Member]
Revenues:
Revenues	19,050	19,320	38,714	39,180
Income from Operations:
Income from operations	(235)	656	(351)	1,778
Laser Hair Removal [Member]
Revenues:
Revenues	39,074	33,067	77,888	64,759
Income from Operations:
Income from operations	(1,544)	793	(2,653)	4,507
Other Segments [Member]
Revenues:
Revenues	(8,476)	(11,206)	(18,253)	(23,529)
Income from Operations:
Income from operations	$ 209	$ 199	$ (1,572)	$ (4,491)