SEGMENT REPORTING - Supplemental Information (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Identifiable assets
Identifiable assets	$ 105,725	$ 115,818
Intangible assets
Intangible assets	11,020	9,459
Surgical products
Identifiable assets
Identifiable assets	70,361	72,475
Intangible assets
Intangible assets	6,644	9,404
Brachytherapy Seed
Identifiable assets
Identifiable assets	62,474	60,791
Intangible assets
Intangible assets	4,376	55
Corporate investment in subsidiaries
Identifiable assets
Identifiable assets	111,439	111,439
Intersegment eliminations
Identifiable assets
Identifiable assets	$ (138,549)	$ (128,887)