Subsequent Event Ostial Solutions Asset Purchase Agreement (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
Jan. 31, 2012
Subsequent Event [Line Items]
Subsequent Event, Date	Jan. 31, 2012
Initial Payment Paid At Closing	$ 10.0
Anticipated Purchase Price To Be Paid Within Six Months of Closing	6.5
Maximum Additional Amount Possibly Due Based On Future Related Product Sales	$ 13.5

Date of subsequent event occurrence or of indication that subsequent event occurred.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 855

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration