Accounts Receivable - Additional Information (Detail)	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021 Distributor
Accounts Receivable [Line Items]
Number of wholesale distributors		3
Percentage of gross sales from major wholesale distributors	82.00%	82.00%
Commercial product sales
Accounts Receivable [Line Items]
Percentage of accounts receivable from major wholesale distributors	88.00%	88.00%