Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Definite-lived intangible assets
Weighted-Average Life (Years)	12 years	12 years
Original Cost	$ 30,572	$ 30,588
Accumulated Amortization	23,622	21,715
Total amortizable intangible assets	6,950	8,873
Indefinite-lived intangible assets
Goodwill	3,726	4,467	$ 280
Subtotal, Original Cost	32,951	33,692
Subtotal, Net Book Value	32,951	33,692
Balance, Original Cost	63,523	64,280
Balance, Net Book Value	39,901	42,565
Finished Pharmaceutical Products
Indefinite-lived intangible assets
Goodwill	3,726	280
API
Indefinite-lived intangible assets
Goodwill		4,187
Trademarks
Indefinite-lived intangible assets
Indefinite-lived intangible assets	$ 29,225	$ 29,225
Product rights
Definite-lived intangible assets
Weighted-Average Life (Years)	12 years	12 years
Original Cost	$ 27,134	$ 27,134
Accumulated Amortization	22,679	20,896
Total amortizable intangible assets	$ 4,455	$ 6,238
Patents
Definite-lived intangible assets
Weighted-Average Life (Years)	10 years	10 years
Original Cost	$ 293	$ 293
Accumulated Amortization	107	78
Total amortizable intangible assets	$ 186	$ 215
Trademarks
Definite-lived intangible assets
Weighted-Average Life (Years)	11 years	11 years
Original Cost	$ 15	$ 19
Accumulated Amortization	$ 15	15
Total amortizable intangible assets		$ 4
Land-use rights
Definite-lived intangible assets
Weighted-Average Life (Years)	39 years	39 years
Original Cost	$ 2,540	$ 2,540
Accumulated Amortization	288	221
Total amortizable intangible assets	$ 2,252	$ 2,319
Other intangible assets
Definite-lived intangible assets
Weighted-Average Life (Years)	1 year	1 year
Original Cost	$ 590	$ 602
Accumulated Amortization	533	505
Total amortizable intangible assets	$ 57	$ 97