Annual report pursuant to Section 13 and 15(d)

Research and License Agreements (Details Textual)

v2.4.0.6
Research and License Agreements (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Research and License Agreements (Textual) [Abstract]      
Expenses under license agreements $ 3,000 $ 36,000 $ 61,000
Annual payments to maintain our current licenses in 2016 $ 0