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Asset Purchase Agreement (Details) (USD $)
 1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2012
Mar. 31, 2012
Jun. 30, 2012
item
Mar. 30, 2012
Asset purchase agreement        
Net proceeds from sale of assets     $ 2,187,000  
Gain on sale of assets     1,856,000  
Sale of license of a portion of intellectual property pertaining to high-speed serial I/O technology
        
Asset purchase agreement        
Purchase agreement amount       4,300,000
Number of employees of entity's India subsidiary accepted employment in purchaser     15  
Net proceeds from sale of assets     2,200,000  
Holdback amount     1,900,000  
Holdback payment received 1,300,000      
Period over which portion of holdback is reserved     12 months  
Gain on sale of assets   1,900,000    
Technology transfer support service obligation   $ 300,000 $ 200,000