Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Concentrations - Summary of Net Revenue from Various Products (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Concentration Risk [Line Items]    
Total revenue $ 8,116 $ 4,783
Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 100.00% 100.00%
Laser systems    
Concentration Risk [Line Items]    
Total revenue $ 4,898 $ 2,051
Laser systems | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 60.30% 42.90%
Imaging systems    
Concentration Risk [Line Items]    
Total revenue $ 0 $ 0
Imaging systems | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 0.00% 0.00%
Consumables and other    
Concentration Risk [Line Items]    
Total revenue $ 2,237 $ 1,472
Consumables and other | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 27.60% 30.80%
Services    
Concentration Risk [Line Items]    
Total revenue $ 981 $ 1,260
Services | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 12.10% 26.30%
License fees and royalties    
Concentration Risk [Line Items]    
Total revenue $ 0 $ 0
License fees and royalties | Product Concentration Risk | Sales Revenue, Net    
Concentration Risk [Line Items]    
Percentage of sales 0.00% 0.00%