Note 7 - Segment Information - Segment Reporting Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
REVENUES:
Revenues	$ 216,104,000	$ 216,736,000
Income from Operations:
Income from operations	10,190,000	9,561,000
Identifiable Assets:
Identifiable assets	546,396,000		552,843,000
Spa Operations [Member]
REVENUES:
Revenues	118,605,000	125,834,000
Income from Operations:
Income from operations	9,585,000	10,147,000
Identifiable Assets:
Identifiable assets	189,682,000		191,218,000
Products [Member]
REVENUES:
Revenues	45,189,000	42,201,000
Income from Operations:
Income from operations	3,270,000	2,420,000
Identifiable Assets:
Identifiable assets	204,240,000		199,803,000
Schools [Member]
REVENUES:
Revenues	20,135,000	19,664,000
Income from Operations:
Income from operations	315,000	(116,000)
Identifiable Assets:
Identifiable assets	85,392,000		99,981,000
Ideal Image [Member]
REVENUES:
Revenues	41,078,000	38,814,000
Income from Operations:
Income from operations	(1,687,000)	(1,109,000)
Identifiable Assets:
Identifiable assets	159,403,000		147,933,000
Other Segments [Member]
REVENUES:
Revenues	8,903,000	9,777,000
Income from Operations:
Income from operations	(1,293,000)	(1,781,000)
Identifiable Assets:
Identifiable assets	$ 8,903,000		$ 9,777,000