XML 69 R58.htm IDEA: XBRL DOCUMENT v3.21.1
Equity Plans and Stock-Based Compensation - Stock-Based Compensation Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense $ 4,723 $ 1,778
Research and Development    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense 872 (1,573)
Selling, General and Administrative    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense 3,144 2,442
Cost of Sales - Product    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense 170 136
Inventory    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense $ 537 $ 773