Accrued Liabilities (Details Textual)

v2.4.0.6

Accrued Liabilities (Details Textual) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Accrued Liabilities (Textual) [Abstract]
Accrued milestones	$ 1,846	$ 1,500
Ova Med [Member]
Accrued Liabilities (Textual) [Abstract]
Accrued milestones	$ 1,800	$ 1,500