Quarterly report pursuant to Section 13 or 15(d)

Concentrations - Summary of Net Revenue from Various Products (Detail)

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Concentrations - Summary of Net Revenue from Various Products (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Concentration Risk [Line Items]    
Net revenue $ 10,131 $ 10,467
Laser systems    
Concentration Risk [Line Items]    
Net revenue $ 5,175 $ 6,265
Laser systems | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 51.10% 59.80%
Consumables and other    
Concentration Risk [Line Items]    
Net revenue $ 3,469 $ 3,033
Consumables and other | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 34.20% 29.00%
Services    
Concentration Risk [Line Items]    
Net revenue $ 1,487 $ 1,169
Services | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 14.70% 11.20%
Product And Services [Member] | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 100.00% 100.00%