Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Textual)

v2.4.0.6
Subsequent Events (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 1 Months Ended
Mar. 31, 2012
Apr. 30, 2013
Subsequent Event [Member]
Deerfield Warrant [Member]
Subsequent Events (Textual) [Abstract]    
Final payment under facility agreement $ 44 $ 2,500