SEGMENT REPORTING - Supplemental Information (Detail 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Identifiable assets
Identifiable assets	$ 119,964	$ 115,818
Intangible assets
Intangible assets, net	16,274	9,459
Surgical products
Identifiable assets
Identifiable assets	72,646	72,475
Intangible assets
Intangible assets, net	8,015	9,404
Brachytherapy Seed
Identifiable assets
Identifiable assets	69,522	60,791
Intangible assets
Intangible assets, net	8,259	55
Corporate investment in subsidiaries
Identifiable assets
Identifiable assets	111,439	111,439
Intersegment eliminations
Identifiable assets
Identifiable assets	$ (133,643)	$ (128,887)