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Significant Accounting Policies - Additional Information (Detail)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
shares
Sep. 30, 2019
shares
Sep. 30, 2020
Segment
shares
Sep. 30, 2019
shares
Apr. 01, 2020
USD ($)
Accounting Policies [Abstract]          
Number of operating segment | Segment     1    
Immaterial error correction During the third quarter of 2020, the Company recorded out-of-period adjustments that resulted in a net decrease in revenue of $2.1 million. The Company does not believe the correction of these errors is individually or in aggregate material to the consolidated financial statements for the three and nine months ended September 30, 2020 or to any prior period consolidated financial statements.        
Decrease in revenue due to out of period adjustments $ 2.1        
Anti-dilutive shares outstanding | shares 4.2 9.2 8.9 3.6  
Currency translation adjustment         $ 1.3
Description of payment term     The period between the transfer of control of the promised goods and when the Company receives payment is based on a general 60-day payment term.    
Description of sales return     Distributors can request to return product to the Company only due to quality issues or for product purchased within one year prior to the product’s expiration date.