v2.4.0.8
Inventory (Details Textual) (USD $)
6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Inventory (Textual) [Abstract]    
Prepaid assets $ 2,768,000 $ 1,521,000
Inventory (Additional Textual) [Abstract]    
Decrease in inventory reserve 104,000  
Inventory reserve 174,000 278,000
Prepaid Inventory [Member]
   
Inventory (Textual) [Abstract]    
Prepaid assets $ 2,329,000 $ 1,061,000