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Investments in and Advances to Partially-Owned Affiliates (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Entity's proportionate share of net income/(loss) from equity method investments	$ (346)	$ (481)
Advances to partially-owned affiliates	(472)	(441)
Zenara Pharma [Member]
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Entity's proportionate share of net income/(loss) from equity method investments	(346)	(438)
Entity's proportionate share of amortization expense from equity method investments	208	238
Advances to partially-owned affiliates	(350)	(300)
European Joint Venture [Member]
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Advances to partially-owned affiliates	$ (122)	$ (141)

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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