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Revenue from Contracts with Customers - Additional Information (Detail)
12 Months Ended
Dec. 31, 2019
USD ($)
Disaggregation Of Revenue [Line Items]  
Contract assets $ 0
Contract liabilities $ 350,000
Minimum [Member]  
Disaggregation Of Revenue [Line Items]  
Payment terms on sales of product 30 days
Maximum [Member]  
Disaggregation Of Revenue [Line Items]  
Payment terms on sales of product 60 days