Accrued Expenses (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Royalties	$ 14,061	$ 10,245
Inventory liabilities	7,954	7,084
Interest expense	4,535	878
Salaries and employee benefits	3,017	2,891
Bonuses	2,115	1,671
Goods in transit	1,664	1,072
Unclaimed property liability	1,200	0
Sales commissions	669	398
Bonuses	570	1,152
Unearned revenue	557	561
Other	3,173	3,962
Accrued expenses	$ 39,515	$ 29,914