INTANGIBLE ASSETS AND OTHER ASSETS (Goodwill and Intangible Assets Disclosure) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of long-lived assets	$ 7,000
Impairment charge related to property and equipment	800
Impairment of intangible assets	$ 6,200
Finite-Lived Intangible Assets, Net [Abstract]
Cost		$ 14,121	$ 13,551
Accumulated Amortization		6,786	5,672
Impairment Charge		6,165
Net Book Value		1,170	7,879
Amortization expense		100	100
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Amortization expense, 2016		200
Amortization expense, 2017		100
Amortization expense, 2018		100
Amortization expense, 2019		100
Amortization expense, 2020		100
Acquired technology
Finite-Lived Intangible Assets, Net [Abstract]
Cost		9,009	9,009
Accumulated Amortization		4,611	3,995
Impairment Charge		4,398
Net Book Value		$ 0	5,014
Acquired technology | Minimum
Finite-Lived Intangible Assets, Net [Abstract]
Estimated Useful Life		7 years
Acquired technology | Maximum
Finite-Lived Intangible Assets, Net [Abstract]
Estimated Useful Life		10 years
Assay royalties
Finite-Lived Intangible Assets, Net [Abstract]
Cost		$ 1,434	1,434
Accumulated Amortization		973	819
Impairment Charge		461
Net Book Value		$ 0	615
Estimated Useful Life		7 years
Third party payor relationships
Finite-Lived Intangible Assets, Net [Abstract]
Cost		$ 367	367
Accumulated Amortization		116	98
Impairment Charge		251
Net Book Value		$ 0	269
Estimated Useful Life		15 years
Tradenames and trademarks
Finite-Lived Intangible Assets, Net [Abstract]
Cost		$ 824	824
Accumulated Amortization		439	351
Impairment Charge		385
Net Book Value		$ 0	473
Estimated Useful Life		7 years
Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Cost		$ 652	652
Accumulated Amortization		130	98
Impairment Charge		522
Net Book Value		$ 0	554
Estimated Useful Life		15 years
Covenants not to compete
Finite-Lived Intangible Assets, Net [Abstract]
Cost		$ 184	184
Accumulated Amortization		184	138
Impairment Charge		0
Net Book Value		$ 0	46
Estimated Useful Life		3 years
Patents
Finite-Lived Intangible Assets, Net [Abstract]
Cost		$ 980	815
Accumulated Amortization		126	87
Impairment Charge		148
Net Book Value		706	728
Intellectual property
Finite-Lived Intangible Assets, Net [Abstract]
Cost		671	266
Accumulated Amortization		207	86
Impairment Charge		0
Net Book Value		$ 464	180
Estimated Useful Life		7 years
Included in assets held for sale
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			7,128
Included in assets held for sale | Acquired technology
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			5,014
Included in assets held for sale | Assay royalties
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			615
Included in assets held for sale | Third party payor relationships
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			269
Included in assets held for sale | Tradenames and trademarks
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			473
Included in assets held for sale | Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			554
Included in assets held for sale | Covenants not to compete
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			46
Included in assets held for sale | Patents
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			157
Included in assets held for sale | Intellectual property
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			0
Included in continuing operations
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			751
Included in continuing operations | Acquired technology
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			0
Included in continuing operations | Assay royalties
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			0
Included in continuing operations | Third party payor relationships
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			0
Included in continuing operations | Tradenames and trademarks
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			0
Included in continuing operations | Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			0
Included in continuing operations | Covenants not to compete
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			0
Included in continuing operations | Patents
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			571
Included in continuing operations | Intellectual property
Finite-Lived Intangible Assets, Net [Abstract]
Net Book Value			$ 180