Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
NET REVENUE	$ 58,783	$ 40,603	$ 144,212	$ 88,817
COST OF GOODS SOLD	30,688	23,076	78,218	52,859
GROSS PROFIT	28,095	17,527	65,994	35,958
OPERATING EXPENSES:
Sales and distribution	18,944	18,111	51,472	41,094
Research and development	1,846	3,226	6,578	7,731
General and administrative	7,199	10,261	23,554	23,932
TOTAL OPERATING EXPENSES:	27,989	31,598	81,604	72,757
OPERATING INCOME (LOSS)	106	(14,071)	(15,610)	(36,799)
INTEREST EXPENSE—net	934	875	3,120	3,368
OTHER EXPENSE (INCOME)—net	(23)	21	(4)	53
LOSS BEFORE INCOME TAXES	(805)	(14,967)	(18,726)	(40,220)
PROVISION FOR INCOME TAXES		8	46	23
NET LOSS	$ (805)	$ (14,975)	$ (18,772)	$ (40,243)
Net loss per share, basic and diluted	$ (0.05)	$ (0.99)	$ (1.18)	$ (3.10)
Weighted-average number of shares outstanding, basic and diluted	17,090,050	15,134,422	15,903,517	12,971,641