Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenues	$ 425,208	$ 339,410	$ 347,337
Cost of goods sold	237,513	200,649	172,526
Gross profit	187,695	138,761	174,811
Operating expenses
Sales and marketing	68,422	40,901	41,888
General and administrative	150,395	69,270	61,244
Research and development	44,966	32,788	20,018
Total operating expenses	263,783	142,959	123,150
Gain on sales of assets	15,263	0	0
Operating (loss) income	(60,825)	(4,198)	51,661
Interest expense	7,752	9,479	13,617
(Gain) loss on extinguishment of debt	(889)	0	3,196
Other loss (income)	7,350	(2,198)	6,221
(Loss) income before income taxes	(75,038)	(11,479)	28,627
Income tax (benefit) expense	(3,759)	1,994	(3,040)
Net (loss) income	$ (71,279)	$ (13,473)	$ 31,667
Net (loss) income per common share:
Basic (in dollars per share)	$ (1.06)	$ (0.25)	$ 0.81
Diluted (in dollars per share)	$ (1.06)	$ (0.25)	$ 0.79
Weighted-average common shares outstanding:
Basic (in shares)	67,486	54,134	38,988
Diluted (in shares)	67,486	54,134	40,113