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Business Combinations (Details) (USD $)
6 Months Ended 0 Months Ended 3 Months Ended 3 Months Ended
Jun. 30, 2014
Oct. 01, 2013
Synos
Jun. 30, 2014
Synos
Mar. 31, 2014
Synos
Dec. 31, 2013
Synos
item
Mar. 31, 2014
Synos
Consideration One - Customer purchase orders
First Milestone
Mar. 31, 2014
Synos
Consideration Two - Revenue and gross margin
Second Milestone
Jun. 30, 2014
Synos
Consideration Two - Revenue and gross margin
Second Milestone
Business combination                
Percentage of outstanding common shares and voting interest acquired   100.00%            
Aggregate fair value of the contingent consideration arrangement         $ 29,400,000      
Reversal of contingent consideration liability (29,368,000)     29,400,000   20,200,000 9,200,000  
Number of contingent payments         2      
Maximum potential value of contingent consideration contractually outstanding               75,000,000
Working capital adjustment   2,700,000 1,300,000          
Decrease in working capital adjustment     1,400,000          
Increase in goodwill as result of working capital adjustment 173,000   200,000          
Reduction in accrued expenses as a result of working capital adjustment     $ 1,200,000