Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended					9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2011 Reconstructive Division	Sep. 30, 2012 Reconstructive Division	Dec. 31, 2011 Reconstructive Division	Sep. 30, 2011 Spine Division	Sep. 30, 2012 Spine Division
Date division sold						2011-06-10			2011-04-04
Sale of product line					$ 9,960,000			$ 3,000,000
Inventory sold					2,908,000
Property and equipment sold					1,718,000
Total cash consideration received by the Company					14,586,000			3,000,000
Cash held in escrow at sale					1,159,000			300,000
Cash remaining in escrow						0	900,000
Carrying amount of assets sold					4,059,000
Gain (loss) on sale of division before income taxes	0	(404,000)	0	12,402,000	10,356,000			2,046,000
Income tax expense on sale of divisions	(532,000)		(532,000)	560,000
Gain (loss) from sale of discontinued divisions, net of income taxes	532,000	(404,000)	532,000	11,842,000
Sales associated with discontinued operations	0	0	0	761,000
Loss from operations of discontinued operations, net of incomre taxes	0	(52,000)	0	(1,418,000)
Royalty payments received	$ 19,000	$ 0	$ 47,000	$ 0
Future royalty income on net sales, percent						5.00%