Note 7 - Segment Information (Detail) - Reconciliation of Assets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Identifiable Assets:
Assets	$ 750,837	$ 747,582
Spa Operations [Member]
Identifiable Assets:
Assets	213,911	210,757
Products [Member]
Identifiable Assets:
Assets	184,402	178,108
Schools [Member]
Identifiable Assets:
Assets	125,455	131,355
Laser Hair Removal [Member]
Identifiable Assets:
Assets	291,915	286,170
Other Segment [Member]
Identifiable Assets:
Assets	$ (64,846)	$ (58,808)