Annual report pursuant to Section 13 and 15(d)

Iloperidone Sublicense to Novartis Pharma AG (Details Textual)

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Iloperidone Sublicense to Novartis Pharma AG (Details Textual) (USD $)
12 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
May 31, 2001
Novartis [Member]
Dec. 31, 2012
Novartis [Member]
Iloperidone Sublicense to Novartis Pharma AG (Textual) [Abstract]          
License revenue, recognized $ 2,325,000 $ 0 $ 24,000 $ 2,500,000  
Percentage of first annual sales for calculating net royalty up to $200M         8.00%
Percentage of next slab of annual sales for calculating net royalty         10.00%
Threshold for calculating second tier royalties (i.e. 10% royalty on net sales > $200M )         $ 200,000,000