Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Concentrations - Summary of Net Revenue from Various Products (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Concentration Risk [Line Items]        
Total net revenue $ 9,531 $ 6,539 $ 26,780 $ 14,260
Product Concentration Risk | Sales Revenue, Net        
Concentration Risk [Line Items]        
Percentage of sales 100.00% 100.00% 100.00% 100.00%
Laser systems        
Concentration Risk [Line Items]        
Total net revenue $ 6,084 $ 3,712 $ 16,588 $ 6,854
Laser systems | Product Concentration Risk | Sales Revenue, Net        
Concentration Risk [Line Items]        
Percentage of sales 63.80% 56.70% 61.90% 48.10%
Consumables and other        
Concentration Risk [Line Items]        
Total net revenue $ 2,331 $ 1,929 $ 6,923 $ 4,263
Consumables and other | Product Concentration Risk | Sales Revenue, Net        
Concentration Risk [Line Items]        
Percentage of sales 24.50% 29.50% 25.90% 29.90%
Services        
Concentration Risk [Line Items]        
Total net revenue $ 1,116 $ 898 $ 3,269 $ 3,143
Services | Product Concentration Risk | Sales Revenue, Net        
Concentration Risk [Line Items]        
Percentage of sales 11.70% 13.80% 12.20% 22.00%