5. Goodwill and Intangible Assets (Details 1) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Intangible assets consist of the following
Gross Carrying Amount	$ 372,321	$ 413,553
Impairment	0	(31,443)
Accumulated Amortization	(221,235)	(212,539)
Net Carrying Amount	151,086	169,571
In Process Research And Development Member
Intangible assets consist of the following
Gross Carrying Amount	11,000	26,500
Impairment	0	(15,500)
Accumulated Amortization	0	0
Net Carrying Amount	11,000	11,000
Total Indefinite Lived
Intangible assets consist of the following
Gross Carrying Amount	11,000	26,500
Impairment	0	(15,500)
Accumulated Amortization	0	0
Net Carrying Amount	$ 11,000	$ 11,000
Product Licenses Member
Intangible assets consist of the following
Weighted Average Life	8 years 144 days	8 years 144 days
Gross Carrying Amount	$ 2,846	$ 2,846
Impairment	0	0
Accumulated Amortization	(1,324)	(1,232)
Net Carrying Amount	$ 1,522	$ 1,614
Noncompete And Supplier Contracts Member
Intangible assets consist of the following
Weighted Average Life	5 years	5 years
Gross Carrying Amount	$ 583	$ 583
Impairment	0	0
Accumulated Amortization	(107)	(78)
Net Carrying Amount	$ 476	$ 505
Acquired Developed Technology Member
Intangible assets consist of the following
Weighted Average Life	7 years 252 days	7 years 252 days
Gross Carrying Amount	$ 357,892	$ 379,737
Impairment	0	(15,052)
Accumulated Amortization	(219,804)	(208,233)
Net Carrying Amount	138,088	156,452
Total Definite Lived
Intangible assets consist of the following
Gross Carrying Amount	361,321	387,053
Impairment	0	(15,943)
Accumulated Amortization	(221,235)	(212,539)
Net Carrying Amount	$ 140,086	$ 158,571
Brand Member
Intangible assets consist of the following
Weighted Average Life		0 years
Gross Carrying Amount		$ 3,887
Impairment		(891)
Accumulated Amortization		(2,996)
Net Carrying Amount		$ 0