Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details Textual)

v2.4.0.6
Inventory (Details Textual) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Inventory (Textual) [Abstract]    
Provision for excess inventory and obsolete inventory $ 2.1 $ 2.3