Inventory (Narrative) (Details) (USD $)	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Inventory Narrative Details
Revestive raw materials	$ 16,600,000	$ 16,600,000	$ 0
PTH raw materials	17,100,000	17,100,000	0
Total raw materials	29,300,000		0
Finished goods	$ 705,000		$ 0

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant