Quarterly report pursuant to Section 13 or 15(d)

Concentrations - Additional Information (Detail)

v2.4.0.8
Concentrations - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2013
Customer
Jun. 30, 2012
Customer
Jun. 30, 2013
Customer
Jun. 30, 2012
Customer
Dec. 31, 2012
Customer
Concentration Risk [Line Items]          
Number of customers which represented more than 10% of the Company's revenue 0 0 0 0  
Accounts receivable concentrations $ 1,200,000   $ 1,200,000   $ 607,000
Percentage of Accounts Receivables Concentrations     11.00%   5.00%
Number of customers which represented more than 10% of the Company's accounts receivable     1   0
Laser Systems
         
Concentration Risk [Line Items]          
Percentage of net revenue 68.00% 69.00% 69.00% 72.00%  
Consumables And Other
         
Concentration Risk [Line Items]          
Percentage of net revenue 11.00% 12.00% 11.00% 12.00%  
Imaging Systems
         
Concentration Risk [Line Items]          
Percentage of net revenue 10.00% 8.00% 8.00% 5.00%  
Services
         
Concentration Risk [Line Items]          
Percentage of net revenue 11.00% 11.00% 11.00% 11.00%  
License Fees And Royalties
         
Concentration Risk [Line Items]          
Percentage of net revenue 0.00% 0.00% 1.00% 0.00%