v2.4.0.6
Property and Equipment (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Property and Equipment [Abstract]        
Depreciation $ 67,000 $ 58,000 $ 131,000 $ 95,000