SEGMENT REPORTING - Supplemental information related to significant assets (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Identifiable assets	$ 106,773	$ 105,725
Intangible assets	9,230	11,020
Operating segments
Segment Reporting Information [Line Items]
Intangible assets	9,230	11,020
Operating segments | Surgical products
Segment Reporting Information [Line Items]
Identifiable assets	70,284	70,361
Intangible assets	5,272	6,644
Operating segments | Brachytherapy Seed
Segment Reporting Information [Line Items]
Identifiable assets	62,243	62,474
Intangible assets	3,958	4,376
Corporate investment in subsidiaries
Segment Reporting Information [Line Items]
Identifiable assets	111,439	111,439
Intersegment eliminations
Segment Reporting Information [Line Items]
Identifiable assets	$ (137,193)	$ (138,549)