XML 48 R36.htm IDEA: XBRL DOCUMENT v3.20.2
Accounts Receivable - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Distributor
Receivables [Abstract]    
Number of wholesale distributors   3
Percentage of accounts receivable from major wholesale distributors 88.00% 88.00%
Percentage of gross sales from major wholesale distributors 85.00% 89.00%