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Summary of Significant Accounting Policies (Details 3) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Mar. 31, 2010 Xclair Cream | Dec. 31, 2011 Numoisyn Liquid | Dec. 31, 2011 Numoisyn Lozenges
Product sales |  |  |  |  |
Percentage of current wholesale acquisition price to be deducted from gross invoice sales price to record deferred revenue | 5.00% |  |  |  |
Product returns |  | $ 0.2 |  |  |
Revenue Recognition |  |  |  |  |
Initial shelf life |  |  | 2 years |  |
Product shelf lives |  |  | 3 years | 3 years | 5 years

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- Definition The aggregate refunds recognized during an accounting period due to goods returned by customers (other than under warranty provisions). Returns are a deduction from gross revenue in arriving at net revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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