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%