Annual report pursuant to Section 13 and 15(d)

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

v3.22.0.1
Concentrations - Summary of Net Revenue from Various Products (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Concentration Risk [Line Items]      
Net revenue $ 39,188 $ 22,780 $ 37,799
Product Concentration Risk | Sales Revenue, Net      
Concentration Risk [Line Items]      
Percentage of sales 100.00% 100.00% 100.00%
Laser systems      
Concentration Risk [Line Items]      
Net revenue $ 25,023 $ 12,342 $ 22,842
Laser systems | Product Concentration Risk | Sales Revenue, Net      
Concentration Risk [Line Items]      
Percentage of sales 63.90% 54.20% 60.40%
Imaging systems      
Concentration Risk [Line Items]      
Net revenue     $ 619
Imaging systems | Product Concentration Risk | Sales Revenue, Net      
Concentration Risk [Line Items]      
Percentage of sales     1.60%
Consumables and other      
Concentration Risk [Line Items]      
Net revenue $ 9,456 $ 6,124 $ 7,164
Consumables and other | Product Concentration Risk | Sales Revenue, Net      
Concentration Risk [Line Items]      
Percentage of sales 24.10% 26.90% 19.00%
Services      
Concentration Risk [Line Items]      
Net revenue $ 4,709 $ 4,314 $ 7,162
Services | Product Concentration Risk | Sales Revenue, Net      
Concentration Risk [Line Items]      
Percentage of sales 12.00% 18.90% 19.00%
License fees and royalties      
Concentration Risk [Line Items]      
Net revenue     $ 12