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Concentrations - Additional Information (Detail)
12 Months Ended
Dec. 31, 2013
Customer
Dec. 31, 2012
Customer
Dec. 31, 2011
Concentration Risk [Line Items]      
Percentage of sales concentration to one customer 5.00% 3.00% 19.00%
Maximum account receivable with individual customer Less than 10% Less than 10%  
Number of customers which represented more than 10% of the Company's accounts receivable 0 0  
Laser Systems
     
Concentration Risk [Line Items]      
Percentage of net revenue 69.00% 74.00% 79.00%
Consumable and Other
     
Concentration Risk [Line Items]      
Percentage of net revenue 12.00% 10.00% 11.00%
Imaging Systems
     
Concentration Risk [Line Items]      
Percentage of net revenue 8.00% 6.00% 0.00%
Services
     
Concentration Risk [Line Items]      
Percentage of net revenue 11.00% 10.00% 9.00%
License Fees and Royalties
     
Concentration Risk [Line Items]      
Percentage of net revenue 0.00% 0.00% 1.00%