DISCONTINUED OPERATIONS (Summary of Statements of Operations, Discontinued Operations) (Details) - USD ($)	12 Months Ended			18 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations	$ 0	$ (10,370,000)	$ (2,291,000)
SeaSpine Inc. | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue		65,775,000	137,808,000
Costs and expenses		80,618,000	140,124,000
Operating loss		(14,843,000)	(2,316,000)
Other expense, net		(766,000)	(271,000)
Loss from discontinued operations before tax		(15,609,000)	(2,587,000)
Benefit for income taxes		(5,239,000)	(296,000)
Loss from discontinued operations		$ (10,370,000)	$ (2,291,000)	$ 0